Home / 90,747,821.40-136,121,732.10-29,336,861.40

Finding the Fourth Proportional to 90,747,821.40, 136,121,732.10 and 29,336,861.40

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Solution

The fourth proportional to 90,747,821.40, 136,121,732.10 and 29,336,861.40 is: 44,005,292.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,747,821.40 : 136,121,732.10 = 29,336,861.40 : x
  2. Step 2: Convert to fraction form
    90,747,821.40/136,121,732.10 = 29,336,861.40/x
  3. Step 3: Cross multiply
    90,747,821.40x = 136,121,732.10 × 29,336,861.40
  4. Step 4: Simplify right side
    90,747,821.40x = 3,993,384,388,145,630.50
  5. Step 5: Solve for x
    x = 3,993,384,388,145,630.50/90,747,821.40
  6. Step 6: Final answer
    x = 44,005,292.10

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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.