Home / 54,532,161.60-81,767,138.40-20,454,619.20

Finding the Fourth Proportional to 54,532,161.60, 81,767,138.40 and 20,454,619.20

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Solution

The fourth proportional to 54,532,161.60, 81,767,138.40 and 20,454,619.20 is: 30,670,261.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,532,161.60 : 81,767,138.40 = 20,454,619.20 : x
  2. Step 2: Convert to fraction form
    54,532,161.60/81,767,138.40 = 20,454,619.20/x
  3. Step 3: Cross multiply
    54,532,161.60x = 81,767,138.40 × 20,454,619.20
  4. Step 4: Simplify right side
    54,532,161.60x = 1,672,515,679,045,697.25
  5. Step 5: Solve for x
    x = 1,672,515,679,045,697.25/54,532,161.60
  6. Step 6: Final answer
    x = 30,670,261.91

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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.