Home / 71,423,349.38-98,565,049.76-39,634,171.59

Finding the Fourth Proportional to 71,423,349.38, 98,565,049.76 and 39,634,171.59

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Solution

The fourth proportional to 71,423,349.38, 98,565,049.76 and 39,634,171.59 is: 54,695,616.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,423,349.38 : 98,565,049.76 = 39,634,171.59 : x
  2. Step 2: Convert to fraction form
    71,423,349.38/98,565,049.76 = 39,634,171.59/x
  3. Step 3: Cross multiply
    71,423,349.38x = 98,565,049.76 × 39,634,171.59
  4. Step 4: Simplify right side
    71,423,349.38x = 3,906,544,094,766,557.50
  5. Step 5: Solve for x
    x = 3,906,544,094,766,557.50/71,423,349.38
  6. Step 6: Final answer
    x = 54,695,616.05

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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.