Home / 82,517,462.10-123,776,193.15-73,908,117.90

Finding the Fourth Proportional to 82,517,462.10, 123,776,193.15 and 73,908,117.90

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Solution

The fourth proportional to 82,517,462.10, 123,776,193.15 and 73,908,117.90 is: 110,862,176.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,517,462.10 : 123,776,193.15 = 73,908,117.90 : x
  2. Step 2: Convert to fraction form
    82,517,462.10/123,776,193.15 = 73,908,117.90/x
  3. Step 3: Cross multiply
    82,517,462.10x = 123,776,193.15 × 73,908,117.90
  4. Step 4: Simplify right side
    82,517,462.10x = 9,148,065,476,543,374
  5. Step 5: Solve for x
    x = 9,148,065,476,543,374/82,517,462.10
  6. Step 6: Final answer
    x = 110,862,176.85

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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.