Home / 90,959,105.85-136,438,658.78-50,002,719.45

Finding the Fourth Proportional to 90,959,105.85, 136,438,658.78 and 50,002,719.45

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Solution

The fourth proportional to 90,959,105.85, 136,438,658.78 and 50,002,719.45 is: 75,004,079.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,959,105.85 : 136,438,658.78 = 50,002,719.45 : x
  2. Step 2: Convert to fraction form
    90,959,105.85/136,438,658.78 = 50,002,719.45/x
  3. Step 3: Cross multiply
    90,959,105.85x = 136,438,658.78 × 50,002,719.45
  4. Step 4: Simplify right side
    90,959,105.85x = 6,822,303,976,860,606
  5. Step 5: Solve for x
    x = 6,822,303,976,860,606/90,959,105.85
  6. Step 6: Final answer
    x = 75,004,079.18

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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.