Home / 45,397,769.60-68,096,654.40-28,377,660.80

Finding the Fourth Proportional to 45,397,769.60, 68,096,654.40 and 28,377,660.80

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Solution

The fourth proportional to 45,397,769.60, 68,096,654.40 and 28,377,660.80 is: 42,566,491.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,397,769.60 : 68,096,654.40 = 28,377,660.80 : x
  2. Step 2: Convert to fraction form
    45,397,769.60/68,096,654.40 = 28,377,660.80/x
  3. Step 3: Cross multiply
    45,397,769.60x = 68,096,654.40 × 28,377,660.80
  4. Step 4: Simplify right side
    45,397,769.60x = 1,932,423,760,178,027.75
  5. Step 5: Solve for x
    x = 1,932,423,760,178,027.75/45,397,769.60
  6. Step 6: Final answer
    x = 42,566,491.20

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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.