Home / 54,532,206.60-81,767,205.90-20,454,664.20

Finding the Fourth Proportional to 54,532,206.60, 81,767,205.90 and 20,454,664.20

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Solution

The fourth proportional to 54,532,206.60, 81,767,205.90 and 20,454,664.20 is: 30,670,329.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,532,206.60 : 81,767,205.90 = 20,454,664.20 : x
  2. Step 2: Convert to fraction form
    54,532,206.60/81,767,205.90 = 20,454,664.20/x
  3. Step 3: Cross multiply
    54,532,206.60x = 81,767,205.90 × 20,454,664.20
  4. Step 4: Simplify right side
    54,532,206.60x = 1,672,520,739,256,758.75
  5. Step 5: Solve for x
    x = 1,672,520,739,256,758.75/54,532,206.60
  6. Step 6: Final answer
    x = 30,670,329.40

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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.