Home / 137,972,115.86-207,013,384.60-56,097,287.52

Finding the Fourth Proportional to 137,972,115.86, 207,013,384.60 and 56,097,287.52

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Solution

The fourth proportional to 137,972,115.86, 207,013,384.60 and 56,097,287.52 is: 84,168,379.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,972,115.86 : 207,013,384.60 = 56,097,287.52 : x
  2. Step 2: Convert to fraction form
    137,972,115.86/207,013,384.60 = 56,097,287.52/x
  3. Step 3: Cross multiply
    137,972,115.86x = 207,013,384.60 × 56,097,287.52
  4. Step 4: Simplify right side
    137,972,115.86x = 11,612,889,356,394,540
  5. Step 5: Solve for x
    x = 11,612,889,356,394,540/137,972,115.86
  6. Step 6: Final answer
    x = 84,168,379.13

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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.