Home / 88,573,629.90-132,860,444.85-86,182,145.40

Finding the Fourth Proportional to 88,573,629.90, 132,860,444.85 and 86,182,145.40

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Solution

The fourth proportional to 88,573,629.90, 132,860,444.85 and 86,182,145.40 is: 129,273,218.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,573,629.90 : 132,860,444.85 = 86,182,145.40 : x
  2. Step 2: Convert to fraction form
    88,573,629.90/132,860,444.85 = 86,182,145.40/x
  3. Step 3: Cross multiply
    88,573,629.90x = 132,860,444.85 × 86,182,145.40
  4. Step 4: Simplify right side
    88,573,629.90x = 11,450,198,175,971,382
  5. Step 5: Solve for x
    x = 11,450,198,175,971,382/88,573,629.90
  6. Step 6: Final answer
    x = 129,273,218.10

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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.