Home / 266,026,948.60-399,040,422.90-157,187,831.80

Finding the Fourth Proportional to 266,026,948.60, 399,040,422.90 and 157,187,831.80

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Solution

The fourth proportional to 266,026,948.60, 399,040,422.90 and 157,187,831.80 is: 235,781,747.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,026,948.60 : 399,040,422.90 = 157,187,831.80 : x
  2. Step 2: Convert to fraction form
    266,026,948.60/399,040,422.90 = 157,187,831.80/x
  3. Step 3: Cross multiply
    266,026,948.60x = 399,040,422.90 × 157,187,831.80
  4. Step 4: Simplify right side
    266,026,948.60x = 62,724,298,876,206,072
  5. Step 5: Solve for x
    x = 62,724,298,876,206,072/266,026,948.60
  6. Step 6: Final answer
    x = 235,781,747.70

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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.