Home / 56,869,494-78,479,665.44-30,763,947.54

Finding the Fourth Proportional to 56,869,494, 78,479,665.44 and 30,763,947.54

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Solution

The fourth proportional to 56,869,494, 78,479,665.44 and 30,763,947.54 is: 42,454,119.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,869,494 : 78,479,665.44 = 30,763,947.54 : x
  2. Step 2: Convert to fraction form
    56,869,494/78,479,665.44 = 30,763,947.54/x
  3. Step 3: Cross multiply
    56,869,494x = 78,479,665.44 × 30,763,947.54
  4. Step 4: Simplify right side
    56,869,494x = 2,414,344,310,552,911
  5. Step 5: Solve for x
    x = 2,414,344,310,552,911/56,869,494
  6. Step 6: Final answer
    x = 42,454,119.79

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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.