Home / 88,573,781.60-132,860,672.40-65,615,530.40

Finding the Fourth Proportional to 88,573,781.60, 132,860,672.40 and 65,615,530.40

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Solution

The fourth proportional to 88,573,781.60, 132,860,672.40 and 65,615,530.40 is: 98,423,295.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,573,781.60 : 132,860,672.40 = 65,615,530.40 : x
  2. Step 2: Convert to fraction form
    88,573,781.60/132,860,672.40 = 65,615,530.40/x
  3. Step 3: Cross multiply
    88,573,781.60x = 132,860,672.40 × 65,615,530.40
  4. Step 4: Simplify right side
    88,573,781.60x = 8,717,723,488,826,641
  5. Step 5: Solve for x
    x = 8,717,723,488,826,641/88,573,781.60
  6. Step 6: Final answer
    x = 98,423,295.60

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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.