Home / 82,998,615.60-124,497,923.40-54,333,169.20

Finding the Fourth Proportional to 82,998,615.60, 124,497,923.40 and 54,333,169.20

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Solution

The fourth proportional to 82,998,615.60, 124,497,923.40 and 54,333,169.20 is: 81,499,753.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,998,615.60 : 124,497,923.40 = 54,333,169.20 : x
  2. Step 2: Convert to fraction form
    82,998,615.60/124,497,923.40 = 54,333,169.20/x
  3. Step 3: Cross multiply
    82,998,615.60x = 124,497,923.40 × 54,333,169.20
  4. Step 4: Simplify right side
    82,998,615.60x = 6,764,366,737,140,840
  5. Step 5: Solve for x
    x = 6,764,366,737,140,840/82,998,615.60
  6. Step 6: Final answer
    x = 81,499,753.80

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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.