Home / 129,468,138.60-194,177,324.70-38,594,692.20

Finding the Fourth Proportional to 129,468,138.60, 194,177,324.70 and 38,594,692.20

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Solution

The fourth proportional to 129,468,138.60, 194,177,324.70 and 38,594,692.20 is: 57,884,620.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,468,138.60 : 194,177,324.70 = 38,594,692.20 : x
  2. Step 2: Convert to fraction form
    129,468,138.60/194,177,324.70 = 38,594,692.20/x
  3. Step 3: Cross multiply
    129,468,138.60x = 194,177,324.70 × 38,594,692.20
  4. Step 4: Simplify right side
    129,468,138.60x = 7,494,214,079,015,957
  5. Step 5: Solve for x
    x = 7,494,214,079,015,957/129,468,138.60
  6. Step 6: Final answer
    x = 57,884,620.57

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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.