Home / 87,403,743.60-131,105,615.40-29,890,892.40

Finding the Fourth Proportional to 87,403,743.60, 131,105,615.40 and 29,890,892.40

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Solution

The fourth proportional to 87,403,743.60, 131,105,615.40 and 29,890,892.40 is: 44,836,338.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,403,743.60 : 131,105,615.40 = 29,890,892.40 : x
  2. Step 2: Convert to fraction form
    87,403,743.60/131,105,615.40 = 29,890,892.40/x
  3. Step 3: Cross multiply
    87,403,743.60x = 131,105,615.40 × 29,890,892.40
  4. Step 4: Simplify right side
    87,403,743.60x = 3,918,863,842,957,183
  5. Step 5: Solve for x
    x = 3,918,863,842,957,183/87,403,743.60
  6. Step 6: Final answer
    x = 44,836,338.60

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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.