Home / 90,959,666.10-136,439,499.15-50,003,279.70

Finding the Fourth Proportional to 90,959,666.10, 136,439,499.15 and 50,003,279.70

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Solution

The fourth proportional to 90,959,666.10, 136,439,499.15 and 50,003,279.70 is: 75,004,919.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,959,666.10 : 136,439,499.15 = 50,003,279.70 : x
  2. Step 2: Convert to fraction form
    90,959,666.10/136,439,499.15 = 50,003,279.70/x
  3. Step 3: Cross multiply
    90,959,666.10x = 136,439,499.15 × 50,003,279.70
  4. Step 4: Simplify right side
    90,959,666.10x = 6,822,422,438,125,363
  5. Step 5: Solve for x
    x = 6,822,422,438,125,363/90,959,666.10
  6. Step 6: Final answer
    x = 75,004,919.55

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Similar ratio
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1.5x scale

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.