Home / 67,151,011.60-100,726,517.40-61,860,221.20

Finding the Fourth Proportional to 67,151,011.60, 100,726,517.40 and 61,860,221.20

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Solution

The fourth proportional to 67,151,011.60, 100,726,517.40 and 61,860,221.20 is: 92,790,331.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,151,011.60 : 100,726,517.40 = 61,860,221.20 : x
  2. Step 2: Convert to fraction form
    67,151,011.60/100,726,517.40 = 61,860,221.20/x
  3. Step 3: Cross multiply
    67,151,011.60x = 100,726,517.40 × 61,860,221.20
  4. Step 4: Simplify right side
    67,151,011.60x = 6,230,964,647,069,650
  5. Step 5: Solve for x
    x = 6,230,964,647,069,650/67,151,011.60
  6. Step 6: Final answer
    x = 92,790,331.80

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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.