Home / 88,573,620.40-132,860,430.60-85,597,550.80

Finding the Fourth Proportional to 88,573,620.40, 132,860,430.60 and 85,597,550.80

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Solution

The fourth proportional to 88,573,620.40, 132,860,430.60 and 85,597,550.80 is: 128,396,326.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,573,620.40 : 132,860,430.60 = 85,597,550.80 : x
  2. Step 2: Convert to fraction form
    88,573,620.40/132,860,430.60 = 85,597,550.80/x
  3. Step 3: Cross multiply
    88,573,620.40x = 132,860,430.60 × 85,597,550.80
  4. Step 4: Simplify right side
    88,573,620.40x = 11,372,527,457,593,374
  5. Step 5: Solve for x
    x = 11,372,527,457,593,374/88,573,620.40
  6. Step 6: Final answer
    x = 128,396,326.20

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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.