Home / 99,861,636.20-149,792,454.30-84,745,092.20

Finding the Fourth Proportional to 99,861,636.20, 149,792,454.30 and 84,745,092.20

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Solution

The fourth proportional to 99,861,636.20, 149,792,454.30 and 84,745,092.20 is: 127,117,638.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,861,636.20 : 149,792,454.30 = 84,745,092.20 : x
  2. Step 2: Convert to fraction form
    99,861,636.20/149,792,454.30 = 84,745,092.20/x
  3. Step 3: Cross multiply
    99,861,636.20x = 149,792,454.30 × 84,745,092.20
  4. Step 4: Simplify right side
    99,861,636.20x = 12,694,175,350,517,788
  5. Step 5: Solve for x
    x = 12,694,175,350,517,788/99,861,636.20
  6. Step 6: Final answer
    x = 127,117,638.30

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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.