Home / 108,626,277.20-162,726,839.40-65,366,979.80

Finding the Fourth Proportional to 108,626,277.20, 162,726,839.40 and 65,366,979.80

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Solution

The fourth proportional to 108,626,277.20, 162,726,839.40 and 65,366,979.80 is: 97,922,549.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,626,277.20 : 162,726,839.40 = 65,366,979.80 : x
  2. Step 2: Convert to fraction form
    108,626,277.20/162,726,839.40 = 65,366,979.80/x
  3. Step 3: Cross multiply
    108,626,277.20x = 162,726,839.40 × 65,366,979.80
  4. Step 4: Simplify right side
    108,626,277.20x = 10,636,962,023,977,644
  5. Step 5: Solve for x
    x = 10,636,962,023,977,644/108,626,277.20
  6. Step 6: Final answer
    x = 97,922,549.66

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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.