Home / 82,207,209.48-113,445,909.60-49,167,458.04

Finding the Fourth Proportional to 82,207,209.48, 113,445,909.60 and 49,167,458.04

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Solution

The fourth proportional to 82,207,209.48, 113,445,909.60 and 49,167,458.04 is: 67,851,068.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,207,209.48 : 113,445,909.60 = 49,167,458.04 : x
  2. Step 2: Convert to fraction form
    82,207,209.48/113,445,909.60 = 49,167,458.04/x
  3. Step 3: Cross multiply
    82,207,209.48x = 113,445,909.60 × 49,167,458.04
  4. Step 4: Simplify right side
    82,207,209.48x = 5,577,847,000,067,633
  5. Step 5: Solve for x
    x = 5,577,847,000,067,633/82,207,209.48
  6. Step 6: Final answer
    x = 67,851,068.48

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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.