Home / 90,252,273.85-135,391,265.17-28,008,965.95

Finding the Fourth Proportional to 90,252,273.85, 135,391,265.17 and 28,008,965.95

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Solution

The fourth proportional to 90,252,273.85, 135,391,265.17 and 28,008,965.95 is: 42,017,438.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,252,273.85 : 135,391,265.17 = 28,008,965.95 : x
  2. Step 2: Convert to fraction form
    90,252,273.85/135,391,265.17 = 28,008,965.95/x
  3. Step 3: Cross multiply
    90,252,273.85x = 135,391,265.17 × 28,008,965.95
  4. Step 4: Simplify right side
    90,252,273.85x = 3,792,169,335,665,450.50
  5. Step 5: Solve for x
    x = 3,792,169,335,665,450.50/90,252,273.85
  6. Step 6: Final answer
    x = 42,017,438.17

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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.