Home / 89,336,324.25-123,287,833.89-49,643,706.77

Finding the Fourth Proportional to 89,336,324.25, 123,287,833.89 and 49,643,706.77

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Solution

The fourth proportional to 89,336,324.25, 123,287,833.89 and 49,643,706.77 is: 68,510,374.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,336,324.25 : 123,287,833.89 = 49,643,706.77 : x
  2. Step 2: Convert to fraction form
    89,336,324.25/123,287,833.89 = 49,643,706.77/x
  3. Step 3: Cross multiply
    89,336,324.25x = 123,287,833.89 × 49,643,706.77
  4. Step 4: Simplify right side
    89,336,324.25x = 6,120,465,073,327,189
  5. Step 5: Solve for x
    x = 6,120,465,073,327,189/89,336,324.25
  6. Step 6: Final answer
    x = 68,510,374.98

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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.