Home / 175,816,234.20-263,542,392.90-78,818,410.20

Finding the Fourth Proportional to 175,816,234.20, 263,542,392.90 and 78,818,410.20

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Solution

The fourth proportional to 175,816,234.20, 263,542,392.90 and 78,818,410.20 is: 118,146,043.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,816,234.20 : 263,542,392.90 = 78,818,410.20 : x
  2. Step 2: Convert to fraction form
    175,816,234.20/263,542,392.90 = 78,818,410.20/x
  3. Step 3: Cross multiply
    175,816,234.20x = 263,542,392.90 × 78,818,410.20
  4. Step 4: Simplify right side
    175,816,234.20x = 20,771,992,428,681,768
  5. Step 5: Solve for x
    x = 20,771,992,428,681,768/175,816,234.20
  6. Step 6: Final answer
    x = 118,146,043.36

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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.