Home / 82,719,327.20-124,078,990.80-22,135,053.20

Finding the Fourth Proportional to 82,719,327.20, 124,078,990.80 and 22,135,053.20

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Solution

The fourth proportional to 82,719,327.20, 124,078,990.80 and 22,135,053.20 is: 33,202,579.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,719,327.20 : 124,078,990.80 = 22,135,053.20 : x
  2. Step 2: Convert to fraction form
    82,719,327.20/124,078,990.80 = 22,135,053.20/x
  3. Step 3: Cross multiply
    82,719,327.20x = 124,078,990.80 × 22,135,053.20
  4. Step 4: Simplify right side
    82,719,327.20x = 2,746,495,062,360,310.50
  5. Step 5: Solve for x
    x = 2,746,495,062,360,310.50/82,719,327.20
  6. Step 6: Final answer
    x = 33,202,579.80

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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.