Home / 88,573,659.60-132,860,489.40-54,384,142.80

Finding the Fourth Proportional to 88,573,659.60, 132,860,489.40 and 54,384,142.80

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Solution

The fourth proportional to 88,573,659.60, 132,860,489.40 and 54,384,142.80 is: 81,576,214.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,573,659.60 : 132,860,489.40 = 54,384,142.80 : x
  2. Step 2: Convert to fraction form
    88,573,659.60/132,860,489.40 = 54,384,142.80/x
  3. Step 3: Cross multiply
    88,573,659.60x = 132,860,489.40 × 54,384,142.80
  4. Step 4: Simplify right side
    88,573,659.60x = 7,225,503,828,007,486
  5. Step 5: Solve for x
    x = 7,225,503,828,007,486/88,573,659.60
  6. Step 6: Final answer
    x = 81,576,214.20

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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.