Home / 80,068,615.56-120,113,664.28-28,241,034.88

Finding the Fourth Proportional to 80,068,615.56, 120,113,664.28 and 28,241,034.88

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Solution

The fourth proportional to 80,068,615.56, 120,113,664.28 and 28,241,034.88 is: 42,365,340.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,068,615.56 : 120,113,664.28 = 28,241,034.88 : x
  2. Step 2: Convert to fraction form
    80,068,615.56/120,113,664.28 = 28,241,034.88/x
  3. Step 3: Cross multiply
    80,068,615.56x = 120,113,664.28 × 28,241,034.88
  4. Step 4: Simplify right side
    80,068,615.56x = 3,392,134,182,496,090
  5. Step 5: Solve for x
    x = 3,392,134,182,496,090/80,068,615.56
  6. Step 6: Final answer
    x = 42,365,340.76

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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.