Home / 129,317,196.42-194,001,347.92-47,436,834.96

Finding the Fourth Proportional to 129,317,196.42, 194,001,347.92 and 47,436,834.96

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Solution

The fourth proportional to 129,317,196.42, 194,001,347.92 and 47,436,834.96 is: 71,164,626.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,317,196.42 : 194,001,347.92 = 47,436,834.96 : x
  2. Step 2: Convert to fraction form
    129,317,196.42/194,001,347.92 = 47,436,834.96/x
  3. Step 3: Cross multiply
    129,317,196.42x = 194,001,347.92 × 47,436,834.96
  4. Step 4: Simplify right side
    129,317,196.42x = 9,202,809,923,298,578
  5. Step 5: Solve for x
    x = 9,202,809,923,298,578/129,317,196.42
  6. Step 6: Final answer
    x = 71,164,626.04

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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.