Home / 172,345,523.72-258,499,135.05-61,676,713.71

Finding the Fourth Proportional to 172,345,523.72, 258,499,135.05 and 61,676,713.71

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Solution

The fourth proportional to 172,345,523.72, 258,499,135.05 and 61,676,713.71 is: 92,508,217.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,345,523.72 : 258,499,135.05 = 61,676,713.71 : x
  2. Step 2: Convert to fraction form
    172,345,523.72/258,499,135.05 = 61,676,713.71/x
  3. Step 3: Cross multiply
    172,345,523.72x = 258,499,135.05 × 61,676,713.71
  4. Step 4: Simplify right side
    172,345,523.72x = 15,943,377,146,529,572
  5. Step 5: Solve for x
    x = 15,943,377,146,529,572/172,345,523.72
  6. Step 6: Final answer
    x = 92,508,217.23

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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.