Home / 54,918,234.30-82,377,351.45-42,163,650.30

Finding the Fourth Proportional to 54,918,234.30, 82,377,351.45 and 42,163,650.30

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Solution

The fourth proportional to 54,918,234.30, 82,377,351.45 and 42,163,650.30 is: 63,245,475.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,918,234.30 : 82,377,351.45 = 42,163,650.30 : x
  2. Step 2: Convert to fraction form
    54,918,234.30/82,377,351.45 = 42,163,650.30/x
  3. Step 3: Cross multiply
    54,918,234.30x = 82,377,351.45 × 42,163,650.30
  4. Step 4: Simplify right side
    54,918,234.30x = 3,473,329,839,177,998
  5. Step 5: Solve for x
    x = 3,473,329,839,177,998/54,918,234.30
  6. Step 6: Final answer
    x = 63,245,475.45

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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.