Home / 71,873,124.26-107,766,506.79-28,101,734.66

Finding the Fourth Proportional to 71,873,124.26, 107,766,506.79 and 28,101,734.66

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Solution

The fourth proportional to 71,873,124.26, 107,766,506.79 and 28,101,734.66 is: 42,135,719.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,873,124.26 : 107,766,506.79 = 28,101,734.66 : x
  2. Step 2: Convert to fraction form
    71,873,124.26/107,766,506.79 = 28,101,734.66/x
  3. Step 3: Cross multiply
    71,873,124.26x = 107,766,506.79 × 28,101,734.66
  4. Step 4: Simplify right side
    71,873,124.26x = 3,028,425,778,403,454.50
  5. Step 5: Solve for x
    x = 3,028,425,778,403,454.50/71,873,124.26
  6. Step 6: Final answer
    x = 42,135,719.16

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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.