Home / 159,557,634.40-239,336,451.60-132,347,855.20

Finding the Fourth Proportional to 159,557,634.40, 239,336,451.60 and 132,347,855.20

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Solution

The fourth proportional to 159,557,634.40, 239,336,451.60 and 132,347,855.20 is: 198,521,782.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,557,634.40 : 239,336,451.60 = 132,347,855.20 : x
  2. Step 2: Convert to fraction form
    159,557,634.40/239,336,451.60 = 132,347,855.20/x
  3. Step 3: Cross multiply
    159,557,634.40x = 239,336,451.60 × 132,347,855.20
  4. Step 4: Simplify right side
    159,557,634.40x = 31,675,666,040,438,608
  5. Step 5: Solve for x
    x = 31,675,666,040,438,608/159,557,634.40
  6. Step 6: Final answer
    x = 198,521,782.80

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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.