Home / 65,755,607.38-90,755,573.25-39,654,374.74

Finding the Fourth Proportional to 65,755,607.38, 90,755,573.25 and 39,654,374.74

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Solution

The fourth proportional to 65,755,607.38, 90,755,573.25 and 39,654,374.74 is: 54,730,777.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,755,607.38 : 90,755,573.25 = 39,654,374.74 : x
  2. Step 2: Convert to fraction form
    65,755,607.38/90,755,573.25 = 39,654,374.74/x
  3. Step 3: Cross multiply
    65,755,607.38x = 90,755,573.25 × 39,654,374.74
  4. Step 4: Simplify right side
    65,755,607.38x = 3,598,855,511,399,020
  5. Step 5: Solve for x
    x = 3,598,855,511,399,020/65,755,607.38
  6. Step 6: Final answer
    x = 54,730,777.42

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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.