Home / 137,522,625.66-189,769,883.67-80,998,560.90

Finding the Fourth Proportional to 137,522,625.66, 189,769,883.67 and 80,998,560.90

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Solution

The fourth proportional to 137,522,625.66, 189,769,883.67 and 80,998,560.90 is: 111,771,335.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,522,625.66 : 189,769,883.67 = 80,998,560.90 : x
  2. Step 2: Convert to fraction form
    137,522,625.66/189,769,883.67 = 80,998,560.90/x
  3. Step 3: Cross multiply
    137,522,625.66x = 189,769,883.67 × 80,998,560.90
  4. Step 4: Simplify right side
    137,522,625.66x = 15,371,087,479,430,410
  5. Step 5: Solve for x
    x = 15,371,087,479,430,410/137,522,625.66
  6. Step 6: Final answer
    x = 111,771,335.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.