Home / 61,033,631.94-84,177,700.20-40,147,115.04

Finding the Fourth Proportional to 61,033,631.94, 84,177,700.20 and 40,147,115.04

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Solution

The fourth proportional to 61,033,631.94, 84,177,700.20 and 40,147,115.04 is: 55,370,976.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,033,631.94 : 84,177,700.20 = 40,147,115.04 : x
  2. Step 2: Convert to fraction form
    61,033,631.94/84,177,700.20 = 40,147,115.04/x
  3. Step 3: Cross multiply
    61,033,631.94x = 84,177,700.20 × 40,147,115.04
  4. Step 4: Simplify right side
    61,033,631.94x = 3,379,491,813,732,031
  5. Step 5: Solve for x
    x = 3,379,491,813,732,031/61,033,631.94
  6. Step 6: Final answer
    x = 55,370,976.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.