Home / 91,092,691.80-136,639,037.70-82,306,200.60

Finding the Fourth Proportional to 91,092,691.80, 136,639,037.70 and 82,306,200.60

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Solution

The fourth proportional to 91,092,691.80, 136,639,037.70 and 82,306,200.60 is: 123,459,300.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,092,691.80 : 136,639,037.70 = 82,306,200.60 : x
  2. Step 2: Convert to fraction form
    91,092,691.80/136,639,037.70 = 82,306,200.60/x
  3. Step 3: Cross multiply
    91,092,691.80x = 136,639,037.70 × 82,306,200.60
  4. Step 4: Simplify right side
    91,092,691.80x = 11,246,240,046,727,160
  5. Step 5: Solve for x
    x = 11,246,240,046,727,160/91,092,691.80
  6. Step 6: Final answer
    x = 123,459,300.90

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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.