Home / 325,866,117.60-489,366,046.80-172,811,109.60

Finding the Fourth Proportional to 325,866,117.60, 489,366,046.80 and 172,811,109.60

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Solution

The fourth proportional to 325,866,117.60, 489,366,046.80 and 172,811,109.60 is: 259,517,283.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,866,117.60 : 489,366,046.80 = 172,811,109.60 : x
  2. Step 2: Convert to fraction form
    325,866,117.60/489,366,046.80 = 172,811,109.60/x
  3. Step 3: Cross multiply
    325,866,117.60x = 489,366,046.80 × 172,811,109.60
  4. Step 4: Simplify right side
    325,866,117.60x = 84,567,889,548,073,536
  5. Step 5: Solve for x
    x = 84,567,889,548,073,536/325,866,117.60
  6. Step 6: Final answer
    x = 259,517,283.27

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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.