Home / 84,002,705.46-115,923,319.41-48,727,644.78

Finding the Fourth Proportional to 84,002,705.46, 115,923,319.41 and 48,727,644.78

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Solution

The fourth proportional to 84,002,705.46, 115,923,319.41 and 48,727,644.78 is: 67,243,909.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,002,705.46 : 115,923,319.41 = 48,727,644.78 : x
  2. Step 2: Convert to fraction form
    84,002,705.46/115,923,319.41 = 48,727,644.78/x
  3. Step 3: Cross multiply
    84,002,705.46x = 115,923,319.41 × 48,727,644.78
  4. Step 4: Simplify right side
    84,002,705.46x = 5,648,670,329,928,959
  5. Step 5: Solve for x
    x = 5,648,670,329,928,959/84,002,705.46
  6. Step 6: Final answer
    x = 67,243,909.57

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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.