Home / 88,573,645.60-132,860,468.40-54,384,128.80

Finding the Fourth Proportional to 88,573,645.60, 132,860,468.40 and 54,384,128.80

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Solution

The fourth proportional to 88,573,645.60, 132,860,468.40 and 54,384,128.80 is: 81,576,193.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,573,645.60 : 132,860,468.40 = 54,384,128.80 : x
  2. Step 2: Convert to fraction form
    88,573,645.60/132,860,468.40 = 54,384,128.80/x
  3. Step 3: Cross multiply
    88,573,645.60x = 132,860,468.40 × 54,384,128.80
  4. Step 4: Simplify right side
    88,573,645.60x = 7,225,500,825,893,930
  5. Step 5: Solve for x
    x = 7,225,500,825,893,930/88,573,645.60
  6. Step 6: Final answer
    x = 81,576,193.20

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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.