Home / 89,912,087.48-124,078,679.18-48,658,979.85

Finding the Fourth Proportional to 89,912,087.48, 124,078,679.18 and 48,658,979.85

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Solution

The fourth proportional to 89,912,087.48, 124,078,679.18 and 48,658,979.85 is: 67,149,391.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,912,087.48 : 124,078,679.18 = 48,658,979.85 : x
  2. Step 2: Convert to fraction form
    89,912,087.48/124,078,679.18 = 48,658,979.85/x
  3. Step 3: Cross multiply
    89,912,087.48x = 124,078,679.18 × 48,658,979.85
  4. Step 4: Simplify right side
    89,912,087.48x = 6,037,541,949,790,940
  5. Step 5: Solve for x
    x = 6,037,541,949,790,940/89,912,087.48
  6. Step 6: Final answer
    x = 67,149,391.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.