Home / 71,901,014.20-107,851,521.30-28,776,873.40

Finding the Fourth Proportional to 71,901,014.20, 107,851,521.30 and 28,776,873.40

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Solution

The fourth proportional to 71,901,014.20, 107,851,521.30 and 28,776,873.40 is: 43,165,310.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,901,014.20 : 107,851,521.30 = 28,776,873.40 : x
  2. Step 2: Convert to fraction form
    71,901,014.20/107,851,521.30 = 28,776,873.40/x
  3. Step 3: Cross multiply
    71,901,014.20x = 107,851,521.30 × 28,776,873.40
  4. Step 4: Simplify right side
    71,901,014.20x = 3,103,629,574,447,503
  5. Step 5: Solve for x
    x = 3,103,629,574,447,503/71,901,014.20
  6. Step 6: Final answer
    x = 43,165,310.10

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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.