Home / 73,821,734.20-110,699,423.70-28,368,422.20

Finding the Fourth Proportional to 73,821,734.20, 110,699,423.70 and 28,368,422.20

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Solution

The fourth proportional to 73,821,734.20, 110,699,423.70 and 28,368,422.20 is: 42,539,883.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,821,734.20 : 110,699,423.70 = 28,368,422.20 : x
  2. Step 2: Convert to fraction form
    73,821,734.20/110,699,423.70 = 28,368,422.20/x
  3. Step 3: Cross multiply
    73,821,734.20x = 110,699,423.70 × 28,368,422.20
  4. Step 4: Simplify right side
    73,821,734.20x = 3,140,367,988,818,286
  5. Step 5: Solve for x
    x = 3,140,367,988,818,286/73,821,734.20
  6. Step 6: Final answer
    x = 42,539,883.72

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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.