Home / 68,029,090.99-93,876,100.10-38,656,346.92

Finding the Fourth Proportional to 68,029,090.99, 93,876,100.10 and 38,656,346.92

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Solution

The fourth proportional to 68,029,090.99, 93,876,100.10 and 38,656,346.92 is: 53,343,459.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,029,090.99 : 93,876,100.10 = 38,656,346.92 : x
  2. Step 2: Convert to fraction form
    68,029,090.99/93,876,100.10 = 38,656,346.92/x
  3. Step 3: Cross multiply
    68,029,090.99x = 93,876,100.10 × 38,656,346.92
  4. Step 4: Simplify right side
    68,029,090.99x = 3,628,907,092,679,235.50
  5. Step 5: Solve for x
    x = 3,628,907,092,679,235.50/68,029,090.99
  6. Step 6: Final answer
    x = 53,343,459.98

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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.