Home / 86,023,385.60-129,035,078.40-38,154,329.60

Finding the Fourth Proportional to 86,023,385.60, 129,035,078.40 and 38,154,329.60

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Solution

The fourth proportional to 86,023,385.60, 129,035,078.40 and 38,154,329.60 is: 57,231,494.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,023,385.60 : 129,035,078.40 = 38,154,329.60 : x
  2. Step 2: Convert to fraction form
    86,023,385.60/129,035,078.40 = 38,154,329.60/x
  3. Step 3: Cross multiply
    86,023,385.60x = 129,035,078.40 × 38,154,329.60
  4. Step 4: Simplify right side
    86,023,385.60x = 4,923,246,911,235,441
  5. Step 5: Solve for x
    x = 4,923,246,911,235,441/86,023,385.60
  6. Step 6: Final answer
    x = 57,231,494.40

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Similar ratio
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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.