Home / 91,025,648.60-136,585,712.10-39,912,834.20

Finding the Fourth Proportional to 91,025,648.60, 136,585,712.10 and 39,912,834.20

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Solution

The fourth proportional to 91,025,648.60, 136,585,712.10 and 39,912,834.20 is: 59,889,964.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,025,648.60 : 136,585,712.10 = 39,912,834.20 : x
  2. Step 2: Convert to fraction form
    91,025,648.60/136,585,712.10 = 39,912,834.20/x
  3. Step 3: Cross multiply
    91,025,648.60x = 136,585,712.10 × 39,912,834.20
  4. Step 4: Simplify right side
    91,025,648.60x = 5,451,522,881,136,234
  5. Step 5: Solve for x
    x = 5,451,522,881,136,234/91,025,648.60
  6. Step 6: Final answer
    x = 59,889,964.70

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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.