Home / 238,826,886.62-358,376,843.85-129,660,933.60

Finding the Fourth Proportional to 238,826,886.62, 358,376,843.85 and 129,660,933.60

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Solution

The fourth proportional to 238,826,886.62, 358,376,843.85 and 129,660,933.60 is: 194,565,514.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,826,886.62 : 358,376,843.85 = 129,660,933.60 : x
  2. Step 2: Convert to fraction form
    238,826,886.62/358,376,843.85 = 129,660,933.60/x
  3. Step 3: Cross multiply
    238,826,886.62x = 358,376,843.85 × 129,660,933.60
  4. Step 4: Simplify right side
    238,826,886.62x = 46,467,476,153,564,112
  5. Step 5: Solve for x
    x = 46,467,476,153,564,112/238,826,886.62
  6. Step 6: Final answer
    x = 194,565,514.85

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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.