Home / 90,957,187.80-136,435,781.70-36,342,767.70

Finding the Fourth Proportional to 90,957,187.80, 136,435,781.70 and 36,342,767.70

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Solution

The fourth proportional to 90,957,187.80, 136,435,781.70 and 36,342,767.70 is: 54,514,151.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,957,187.80 : 136,435,781.70 = 36,342,767.70 : x
  2. Step 2: Convert to fraction form
    90,957,187.80/136,435,781.70 = 36,342,767.70/x
  3. Step 3: Cross multiply
    90,957,187.80x = 136,435,781.70 × 36,342,767.70
  4. Step 4: Simplify right side
    90,957,187.80x = 4,958,453,920,291,011
  5. Step 5: Solve for x
    x = 4,958,453,920,291,011/90,957,187.80
  6. Step 6: Final answer
    x = 54,514,151.55

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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.