Home / 84,745,223.55-127,156,929.89-38,701,207.71

Finding the Fourth Proportional to 84,745,223.55, 127,156,929.89 and 38,701,207.71

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Solution

The fourth proportional to 84,745,223.55, 127,156,929.89 and 38,701,207.71 is: 58,069,665.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,745,223.55 : 127,156,929.89 = 38,701,207.71 : x
  2. Step 2: Convert to fraction form
    84,745,223.55/127,156,929.89 = 38,701,207.71/x
  3. Step 3: Cross multiply
    84,745,223.55x = 127,156,929.89 × 38,701,207.71
  4. Step 4: Simplify right side
    84,745,223.55x = 4,921,126,755,438,798
  5. Step 5: Solve for x
    x = 4,921,126,755,438,798/84,745,223.55
  6. Step 6: Final answer
    x = 58,069,665.16

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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.