Home / 54,532,205.60-81,767,204.40-20,454,663.20

Finding the Fourth Proportional to 54,532,205.60, 81,767,204.40 and 20,454,663.20

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Solution

The fourth proportional to 54,532,205.60, 81,767,204.40 and 20,454,663.20 is: 30,670,327.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,532,205.60 : 81,767,204.40 = 20,454,663.20 : x
  2. Step 2: Convert to fraction form
    54,532,205.60/81,767,204.40 = 20,454,663.20/x
  3. Step 3: Cross multiply
    54,532,205.60x = 81,767,204.40 × 20,454,663.20
  4. Step 4: Simplify right side
    54,532,205.60x = 1,672,520,626,807,558.25
  5. Step 5: Solve for x
    x = 1,672,520,626,807,558.25/54,532,205.60
  6. Step 6: Final answer
    x = 30,670,327.90

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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.