Home / 159,435,016.80-239,152,525.20-120,887,829.60

Finding the Fourth Proportional to 159,435,016.80, 239,152,525.20 and 120,887,829.60

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Solution

The fourth proportional to 159,435,016.80, 239,152,525.20 and 120,887,829.60 is: 181,331,744.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,435,016.80 : 239,152,525.20 = 120,887,829.60 : x
  2. Step 2: Convert to fraction form
    159,435,016.80/239,152,525.20 = 120,887,829.60/x
  3. Step 3: Cross multiply
    159,435,016.80x = 239,152,525.20 × 120,887,829.60
  4. Step 4: Simplify right side
    159,435,016.80x = 28,910,629,714,787,304
  5. Step 5: Solve for x
    x = 28,910,629,714,787,304/159,435,016.80
  6. Step 6: Final answer
    x = 181,331,744.40

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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.