Home / 52,533,909.20-78,694,575.60-36,378,102.80

Finding the Fourth Proportional to 52,533,909.20, 78,694,575.60 and 36,378,102.80

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Solution

The fourth proportional to 52,533,909.20, 78,694,575.60 and 36,378,102.80 is: 54,493,552.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,533,909.20 : 78,694,575.60 = 36,378,102.80 : x
  2. Step 2: Convert to fraction form
    52,533,909.20/78,694,575.60 = 36,378,102.80/x
  3. Step 3: Cross multiply
    52,533,909.20x = 78,694,575.60 × 36,378,102.80
  4. Step 4: Simplify right side
    52,533,909.20x = 2,862,759,360,979,171
  5. Step 5: Solve for x
    x = 2,862,759,360,979,171/52,533,909.20
  6. Step 6: Final answer
    x = 54,493,552.92

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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.