Home / 326,428,305.60-489,642,458.40-108,112,342.80

Finding the Fourth Proportional to 326,428,305.60, 489,642,458.40 and 108,112,342.80

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Solution

The fourth proportional to 326,428,305.60, 489,642,458.40 and 108,112,342.80 is: 162,168,514.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,428,305.60 : 489,642,458.40 = 108,112,342.80 : x
  2. Step 2: Convert to fraction form
    326,428,305.60/489,642,458.40 = 108,112,342.80/x
  3. Step 3: Cross multiply
    326,428,305.60x = 489,642,458.40 × 108,112,342.80
  4. Step 4: Simplify right side
    326,428,305.60x = 52,936,393,311,975,536
  5. Step 5: Solve for x
    x = 52,936,393,311,975,536/326,428,305.60
  6. Step 6: Final answer
    x = 162,168,514.20

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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.