Home / 108,625,834.80-163,098,198.96-67,858,988.40

Finding the Fourth Proportional to 108,625,834.80, 163,098,198.96 and 67,858,988.40

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Solution

The fourth proportional to 108,625,834.80, 163,098,198.96 and 67,858,988.40 is: 101,888,089.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,625,834.80 : 163,098,198.96 = 67,858,988.40 : x
  2. Step 2: Convert to fraction form
    108,625,834.80/163,098,198.96 = 67,858,988.40/x
  3. Step 3: Cross multiply
    108,625,834.80x = 163,098,198.96 × 67,858,988.40
  4. Step 4: Simplify right side
    108,625,834.80x = 11,067,678,791,287,534
  5. Step 5: Solve for x
    x = 11,067,678,791,287,534/108,625,834.80
  6. Step 6: Final answer
    x = 101,888,089.62

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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.