Home / 132,003,199.80-197,926,067.70-80,921,878.20

Finding the Fourth Proportional to 132,003,199.80, 197,926,067.70 and 80,921,878.20

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Solution

The fourth proportional to 132,003,199.80, 197,926,067.70 and 80,921,878.20 is: 121,334,552.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,003,199.80 : 197,926,067.70 = 80,921,878.20 : x
  2. Step 2: Convert to fraction form
    132,003,199.80/197,926,067.70 = 80,921,878.20/x
  3. Step 3: Cross multiply
    132,003,199.80x = 197,926,067.70 × 80,921,878.20
  4. Step 4: Simplify right side
    132,003,199.80x = 16,016,549,143,024,354
  5. Step 5: Solve for x
    x = 16,016,549,143,024,354/132,003,199.80
  6. Step 6: Final answer
    x = 121,334,552.25

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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.