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Finding the Fourth Proportional to 55,289,957.60, 82,829,182.80 and 29,722,469.60

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Solution

The fourth proportional to 55,289,957.60, 82,829,182.80 and 29,722,469.60 is: 44,526,853.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,289,957.60 : 82,829,182.80 = 29,722,469.60 : x
  2. Step 2: Convert to fraction form
    55,289,957.60/82,829,182.80 = 29,722,469.60/x
  3. Step 3: Cross multiply
    55,289,957.60x = 82,829,182.80 × 29,722,469.60
  4. Step 4: Simplify right side
    55,289,957.60x = 2,461,887,867,765,843
  5. Step 5: Solve for x
    x = 2,461,887,867,765,843/55,289,957.60
  6. Step 6: Final answer
    x = 44,526,853.96

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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.