Home / 82,944,086.60-124,416,129.90-57,078,000.20

Finding the Fourth Proportional to 82,944,086.60, 124,416,129.90 and 57,078,000.20

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Solution

The fourth proportional to 82,944,086.60, 124,416,129.90 and 57,078,000.20 is: 85,617,000.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,944,086.60 : 124,416,129.90 = 57,078,000.20 : x
  2. Step 2: Convert to fraction form
    82,944,086.60/124,416,129.90 = 57,078,000.20/x
  3. Step 3: Cross multiply
    82,944,086.60x = 124,416,129.90 × 57,078,000.20
  4. Step 4: Simplify right side
    82,944,086.60x = 7,101,423,887,315,427
  5. Step 5: Solve for x
    x = 7,101,423,887,315,427/82,944,086.60
  6. Step 6: Final answer
    x = 85,617,000.30

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Similar ratio
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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.