Home / 54,438,697.20-81,658,045.80-49,399,849.20

Finding the Fourth Proportional to 54,438,697.20, 81,658,045.80 and 49,399,849.20

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Solution

The fourth proportional to 54,438,697.20, 81,658,045.80 and 49,399,849.20 is: 74,099,773.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,438,697.20 : 81,658,045.80 = 49,399,849.20 : x
  2. Step 2: Convert to fraction form
    54,438,697.20/81,658,045.80 = 49,399,849.20/x
  3. Step 3: Cross multiply
    54,438,697.20x = 81,658,045.80 × 49,399,849.20
  4. Step 4: Simplify right side
    54,438,697.20x = 4,033,895,148,486,693.50
  5. Step 5: Solve for x
    x = 4,033,895,148,486,693.50/54,438,697.20
  6. Step 6: Final answer
    x = 74,099,773.80

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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.