Home / 89,336,343.08-123,287,859.86-49,643,725.56

Finding the Fourth Proportional to 89,336,343.08, 123,287,859.86 and 49,643,725.56

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Solution

The fourth proportional to 89,336,343.08, 123,287,859.86 and 49,643,725.56 is: 68,510,400.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,336,343.08 : 123,287,859.86 = 49,643,725.56 : x
  2. Step 2: Convert to fraction form
    89,336,343.08/123,287,859.86 = 49,643,725.56/x
  3. Step 3: Cross multiply
    89,336,343.08x = 123,287,859.86 × 49,643,725.56
  4. Step 4: Simplify right side
    89,336,343.08x = 6,120,468,679,769,580
  5. Step 5: Solve for x
    x = 6,120,468,679,769,580/89,336,343.08
  6. Step 6: Final answer
    x = 68,510,400.90

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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.