Home / 80,768,517.66-121,155,240.96-31,582,406.52

Finding the Fourth Proportional to 80,768,517.66, 121,155,240.96 and 31,582,406.52

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Solution

The fourth proportional to 80,768,517.66, 121,155,240.96 and 31,582,406.52 is: 47,374,573.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,768,517.66 : 121,155,240.96 = 31,582,406.52 : x
  2. Step 2: Convert to fraction form
    80,768,517.66/121,155,240.96 = 31,582,406.52/x
  3. Step 3: Cross multiply
    80,768,517.66x = 121,155,240.96 × 31,582,406.52
  4. Step 4: Simplify right side
    80,768,517.66x = 3,826,374,072,027,275
  5. Step 5: Solve for x
    x = 3,826,374,072,027,275/80,768,517.66
  6. Step 6: Final answer
    x = 47,374,573.45

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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.