Home / 56,693,385.20-85,040,077.80-38,553,532.40

Finding the Fourth Proportional to 56,693,385.20, 85,040,077.80 and 38,553,532.40

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Solution

The fourth proportional to 56,693,385.20, 85,040,077.80 and 38,553,532.40 is: 57,830,298.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,693,385.20 : 85,040,077.80 = 38,553,532.40 : x
  2. Step 2: Convert to fraction form
    56,693,385.20/85,040,077.80 = 38,553,532.40/x
  3. Step 3: Cross multiply
    56,693,385.20x = 85,040,077.80 × 38,553,532.40
  4. Step 4: Simplify right side
    56,693,385.20x = 3,278,595,394,760,820.50
  5. Step 5: Solve for x
    x = 3,278,595,394,760,820.50/56,693,385.20
  6. Step 6: Final answer
    x = 57,830,298.60

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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.