Home / 89,520,427.24-134,280,200.22-77,352,862.12

Finding the Fourth Proportional to 89,520,427.24, 134,280,200.22 and 77,352,862.12

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Solution

The fourth proportional to 89,520,427.24, 134,280,200.22 and 77,352,862.12 is: 116,028,912.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,520,427.24 : 134,280,200.22 = 77,352,862.12 : x
  2. Step 2: Convert to fraction form
    89,520,427.24/134,280,200.22 = 77,352,862.12/x
  3. Step 3: Cross multiply
    89,520,427.24x = 134,280,200.22 × 77,352,862.12
  4. Step 4: Simplify right side
    89,520,427.24x = 10,386,957,813,063,654
  5. Step 5: Solve for x
    x = 10,386,957,813,063,654/89,520,427.24
  6. Step 6: Final answer
    x = 116,028,912.43

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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.