Home / 99,861,635.70-149,792,453.55-84,745,091.70

Finding the Fourth Proportional to 99,861,635.70, 149,792,453.55 and 84,745,091.70

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Solution

The fourth proportional to 99,861,635.70, 149,792,453.55 and 84,745,091.70 is: 127,117,637.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,861,635.70 : 149,792,453.55 = 84,745,091.70 : x
  2. Step 2: Convert to fraction form
    99,861,635.70/149,792,453.55 = 84,745,091.70/x
  3. Step 3: Cross multiply
    99,861,635.70x = 149,792,453.55 × 84,745,091.70
  4. Step 4: Simplify right side
    99,861,635.70x = 12,694,175,212,062,742
  5. Step 5: Solve for x
    x = 12,694,175,212,062,742/99,861,635.70
  6. Step 6: Final answer
    x = 127,117,637.55

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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.