Home / 88,573,615.20-132,860,422.80-74,543,572.80

Finding the Fourth Proportional to 88,573,615.20, 132,860,422.80 and 74,543,572.80

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Solution

The fourth proportional to 88,573,615.20, 132,860,422.80 and 74,543,572.80 is: 111,815,359.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,573,615.20 : 132,860,422.80 = 74,543,572.80 : x
  2. Step 2: Convert to fraction form
    88,573,615.20/132,860,422.80 = 74,543,572.80/x
  3. Step 3: Cross multiply
    88,573,615.20x = 132,860,422.80 × 74,543,572.80
  4. Step 4: Simplify right side
    88,573,615.20x = 9,903,890,599,230,580
  5. Step 5: Solve for x
    x = 9,903,890,599,230,580/88,573,615.20
  6. Step 6: Final answer
    x = 111,815,359.20

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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.