Home / 74,112,047.70-111,168,071.55-69,954,998.10

Finding the Fourth Proportional to 74,112,047.70, 111,168,071.55 and 69,954,998.10

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Solution

The fourth proportional to 74,112,047.70, 111,168,071.55 and 69,954,998.10 is: 104,932,497.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,112,047.70 : 111,168,071.55 = 69,954,998.10 : x
  2. Step 2: Convert to fraction form
    74,112,047.70/111,168,071.55 = 69,954,998.10/x
  3. Step 3: Cross multiply
    74,112,047.70x = 111,168,071.55 × 69,954,998.10
  4. Step 4: Simplify right side
    74,112,047.70x = 7,776,762,234,060,913
  5. Step 5: Solve for x
    x = 7,776,762,234,060,913/74,112,047.70
  6. Step 6: Final answer
    x = 104,932,497.15

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.