Home / 175,816,049.20-263,542,115.40-78,818,225.20

Finding the Fourth Proportional to 175,816,049.20, 263,542,115.40 and 78,818,225.20

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Solution

The fourth proportional to 175,816,049.20, 263,542,115.40 and 78,818,225.20 is: 118,145,765.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,816,049.20 : 263,542,115.40 = 78,818,225.20 : x
  2. Step 2: Convert to fraction form
    175,816,049.20/263,542,115.40 = 78,818,225.20/x
  3. Step 3: Cross multiply
    175,816,049.20x = 263,542,115.40 × 78,818,225.20
  4. Step 4: Simplify right side
    175,816,049.20x = 20,771,921,801,281,588
  5. Step 5: Solve for x
    x = 20,771,921,801,281,588/175,816,049.20
  6. Step 6: Final answer
    x = 118,145,765.96

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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.