Home / 362,142,137.20-543,354,923.40-132,134,472.40

Finding the Fourth Proportional to 362,142,137.20, 543,354,923.40 and 132,134,472.40

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Solution

The fourth proportional to 362,142,137.20, 543,354,923.40 and 132,134,472.40 is: 198,253,416.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,142,137.20 : 543,354,923.40 = 132,134,472.40 : x
  2. Step 2: Convert to fraction form
    362,142,137.20/543,354,923.40 = 132,134,472.40/x
  3. Step 3: Cross multiply
    362,142,137.20x = 543,354,923.40 × 132,134,472.40
  4. Step 4: Simplify right side
    362,142,137.20x = 71,795,916,129,401,416
  5. Step 5: Solve for x
    x = 71,795,916,129,401,416/362,142,137.20
  6. Step 6: Final answer
    x = 198,253,416.97

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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.