Home / 89,625,372.09-123,686,815.98-49,932,867.57

Finding the Fourth Proportional to 89,625,372.09, 123,686,815.98 and 49,932,867.57

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Solution

The fourth proportional to 89,625,372.09, 123,686,815.98 and 49,932,867.57 is: 68,909,475.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,625,372.09 : 123,686,815.98 = 49,932,867.57 : x
  2. Step 2: Convert to fraction form
    89,625,372.09/123,686,815.98 = 49,932,867.57/x
  3. Step 3: Cross multiply
    89,625,372.09x = 123,686,815.98 × 49,932,867.57
  4. Step 4: Simplify right side
    89,625,372.09x = 6,176,037,402,484,300
  5. Step 5: Solve for x
    x = 6,176,037,402,484,300/89,625,372.09
  6. Step 6: Final answer
    x = 68,909,475.73

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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.