Home / 88,231,820.80-132,347,731.20-67,824,486.40

Finding the Fourth Proportional to 88,231,820.80, 132,347,731.20 and 67,824,486.40

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Solution

The fourth proportional to 88,231,820.80, 132,347,731.20 and 67,824,486.40 is: 101,736,729.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,231,820.80 : 132,347,731.20 = 67,824,486.40 : x
  2. Step 2: Convert to fraction form
    88,231,820.80/132,347,731.20 = 67,824,486.40/x
  3. Step 3: Cross multiply
    88,231,820.80x = 132,347,731.20 × 67,824,486.40
  4. Step 4: Simplify right side
    88,231,820.80x = 8,976,416,894,845,257
  5. Step 5: Solve for x
    x = 8,976,416,894,845,257/88,231,820.80
  6. Step 6: Final answer
    x = 101,736,729.60

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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.