Home / 74,355,578,010.38-102,611,045,141.26-42,242,702,284.76

Finding the Fourth Proportional to 74,355,578,010.38, 102,611,045,141.26 and 42,242,702,284.76

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Solution

The fourth proportional to 74,355,578,010.38, 102,611,045,141.26 and 42,242,702,284.76 is: 58,295,126,566.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,355,578,010.38 : 102,611,045,141.26 = 42,242,702,284.76 : x
  2. Step 2: Convert to fraction form
    74,355,578,010.38/102,611,045,141.26 = 42,242,702,284.76/x
  3. Step 3: Cross multiply
    74,355,578,010.38x = 102,611,045,141.26 × 42,242,702,284.76
  4. Step 4: Simplify right side
    74,355,578,010.38x = 4,334,567,831,030,520,610,816
  5. Step 5: Solve for x
    x = 4,334,567,831,030,520,610,816/74,355,578,010.38
  6. Step 6: Final answer
    x = 58,295,126,566.37

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Double scale
Find fourth proportional to 74,355,578,011.38, 102,611,045,142.64 and 42,242,702,285.76
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.