Home / 82,537,337.30-123,512,073.15-71,871,775.70

Finding the Fourth Proportional to 82,537,337.30, 123,512,073.15 and 71,871,775.70

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Solution

The fourth proportional to 82,537,337.30, 123,512,073.15 and 71,871,775.70 is: 107,551,713.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,537,337.30 : 123,512,073.15 = 71,871,775.70 : x
  2. Step 2: Convert to fraction form
    82,537,337.30/123,512,073.15 = 71,871,775.70/x
  3. Step 3: Cross multiply
    82,537,337.30x = 123,512,073.15 × 71,871,775.70
  4. Step 4: Simplify right side
    82,537,337.30x = 8,877,032,017,678,793
  5. Step 5: Solve for x
    x = 8,877,032,017,678,793/82,537,337.30
  6. Step 6: Final answer
    x = 107,551,713.06

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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.