Home / 158,193,741.12-218,313,599.04-88,578,499.20

Finding the Fourth Proportional to 158,193,741.12, 218,313,599.04 and 88,578,499.20

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Solution

The fourth proportional to 158,193,741.12, 218,313,599.04 and 88,578,499.20 is: 122,241,820.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,193,741.12 : 218,313,599.04 = 88,578,499.20 : x
  2. Step 2: Convert to fraction form
    158,193,741.12/218,313,599.04 = 88,578,499.20/x
  3. Step 3: Cross multiply
    158,193,741.12x = 218,313,599.04 × 88,578,499.20
  4. Step 4: Simplify right side
    158,193,741.12x = 19,337,890,957,913,760
  5. Step 5: Solve for x
    x = 19,337,890,957,913,760/158,193,741.12
  6. Step 6: Final answer
    x = 122,241,820.83

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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.