Home / 89,690,221.20-134,535,331.80-21,532,912.95

Finding the Fourth Proportional to 89,690,221.20, 134,535,331.80 and 21,532,912.95

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Solution

The fourth proportional to 89,690,221.20, 134,535,331.80 and 21,532,912.95 is: 32,299,369.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,690,221.20 : 134,535,331.80 = 21,532,912.95 : x
  2. Step 2: Convert to fraction form
    89,690,221.20/134,535,331.80 = 21,532,912.95/x
  3. Step 3: Cross multiply
    89,690,221.20x = 134,535,331.80 × 21,532,912.95
  4. Step 4: Simplify right side
    89,690,221.20x = 2,896,937,588,348,767
  5. Step 5: Solve for x
    x = 2,896,937,588,348,767/89,690,221.20
  6. Step 6: Final answer
    x = 32,299,369.43

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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.