Home / 43,123,211.70-64,684,817.55-21,561,141.30

Finding the Fourth Proportional to 43,123,211.70, 64,684,817.55 and 21,561,141.30

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Solution

The fourth proportional to 43,123,211.70, 64,684,817.55 and 21,561,141.30 is: 32,341,711.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,123,211.70 : 64,684,817.55 = 21,561,141.30 : x
  2. Step 2: Convert to fraction form
    43,123,211.70/64,684,817.55 = 21,561,141.30/x
  3. Step 3: Cross multiply
    43,123,211.70x = 64,684,817.55 × 21,561,141.30
  4. Step 4: Simplify right side
    43,123,211.70x = 1,394,678,491,160,269.75
  5. Step 5: Solve for x
    x = 1,394,678,491,160,269.75/43,123,211.70
  6. Step 6: Final answer
    x = 32,341,711.95

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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.