Home / 102,545,398.47-141,512,638.50-55,502,463.90

Finding the Fourth Proportional to 102,545,398.47, 141,512,638.50 and 55,502,463.90

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Solution

The fourth proportional to 102,545,398.47, 141,512,638.50 and 55,502,463.90 is: 76,593,394.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,545,398.47 : 141,512,638.50 = 55,502,463.90 : x
  2. Step 2: Convert to fraction form
    102,545,398.47/141,512,638.50 = 55,502,463.90/x
  3. Step 3: Cross multiply
    102,545,398.47x = 141,512,638.50 × 55,502,463.90
  4. Step 4: Simplify right side
    102,545,398.47x = 7,854,300,109,740,000
  5. Step 5: Solve for x
    x = 7,854,300,109,740,000/102,545,398.47
  6. Step 6: Final answer
    x = 76,593,394.02

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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.