Home / 74,123,834.20-110,949,821.70-52,890,170.20

Finding the Fourth Proportional to 74,123,834.20, 110,949,821.70 and 52,890,170.20

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Solution

The fourth proportional to 74,123,834.20, 110,949,821.70 and 52,890,170.20 is: 79,166,910.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,123,834.20 : 110,949,821.70 = 52,890,170.20 : x
  2. Step 2: Convert to fraction form
    74,123,834.20/110,949,821.70 = 52,890,170.20/x
  3. Step 3: Cross multiply
    74,123,834.20x = 110,949,821.70 × 52,890,170.20
  4. Step 4: Simplify right side
    74,123,834.20x = 5,868,154,953,372,654
  5. Step 5: Solve for x
    x = 5,868,154,953,372,654/74,123,834.20
  6. Step 6: Final answer
    x = 79,166,910.57

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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.