Home / 133,060,691.30-199,740,336.15-102,902,252.90

Finding the Fourth Proportional to 133,060,691.30, 199,740,336.15 and 102,902,252.90

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Solution

The fourth proportional to 133,060,691.30, 199,740,336.15 and 102,902,252.90 is: 154,468,839.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,060,691.30 : 199,740,336.15 = 102,902,252.90 : x
  2. Step 2: Convert to fraction form
    133,060,691.30/199,740,336.15 = 102,902,252.90/x
  3. Step 3: Cross multiply
    133,060,691.30x = 199,740,336.15 × 102,902,252.90
  4. Step 4: Simplify right side
    133,060,691.30x = 20,553,730,584,838,316
  5. Step 5: Solve for x
    x = 20,553,730,584,838,316/133,060,691.30
  6. Step 6: Final answer
    x = 154,468,839.63

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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.