Home / 80,514,000.10-120,771,000.15-75,093,301.90

Finding the Fourth Proportional to 80,514,000.10, 120,771,000.15 and 75,093,301.90

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Solution

The fourth proportional to 80,514,000.10, 120,771,000.15 and 75,093,301.90 is: 112,639,952.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,514,000.10 : 120,771,000.15 = 75,093,301.90 : x
  2. Step 2: Convert to fraction form
    80,514,000.10/120,771,000.15 = 75,093,301.90/x
  3. Step 3: Cross multiply
    80,514,000.10x = 120,771,000.15 × 75,093,301.90
  4. Step 4: Simplify right side
    80,514,000.10x = 9,069,093,175,028,896
  5. Step 5: Solve for x
    x = 9,069,093,175,028,896/80,514,000.10
  6. Step 6: Final answer
    x = 112,639,952.85

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1.5x scale

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.