Home / 90,959,246.10-136,438,869.15-50,002,859.70

Finding the Fourth Proportional to 90,959,246.10, 136,438,869.15 and 50,002,859.70

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Solution

The fourth proportional to 90,959,246.10, 136,438,869.15 and 50,002,859.70 is: 75,004,289.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,959,246.10 : 136,438,869.15 = 50,002,859.70 : x
  2. Step 2: Convert to fraction form
    90,959,246.10/136,438,869.15 = 50,002,859.70/x
  3. Step 3: Cross multiply
    90,959,246.10x = 136,438,869.15 × 50,002,859.70
  4. Step 4: Simplify right side
    90,959,246.10x = 6,822,333,631,734,109
  5. Step 5: Solve for x
    x = 6,822,333,631,734,109/90,959,246.10
  6. Step 6: Final answer
    x = 75,004,289.55

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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.