Home / 49,479,123.60-74,171,446.20-38,543,248.80

Finding the Fourth Proportional to 49,479,123.60, 74,171,446.20 and 38,543,248.80

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Solution

The fourth proportional to 49,479,123.60, 74,171,446.20 and 38,543,248.80 is: 57,778,074.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,479,123.60 : 74,171,446.20 = 38,543,248.80 : x
  2. Step 2: Convert to fraction form
    49,479,123.60/74,171,446.20 = 38,543,248.80/x
  3. Step 3: Cross multiply
    49,479,123.60x = 74,171,446.20 × 38,543,248.80
  4. Step 4: Simplify right side
    49,479,123.60x = 2,858,808,504,742,414.50
  5. Step 5: Solve for x
    x = 2,858,808,504,742,414.50/49,479,123.60
  6. Step 6: Final answer
    x = 57,778,074.81

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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.