Home / 325,866,118.60-489,366,048.30-172,811,110.60

Finding the Fourth Proportional to 325,866,118.60, 489,366,048.30 and 172,811,110.60

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Solution

The fourth proportional to 325,866,118.60, 489,366,048.30 and 172,811,110.60 is: 259,517,284.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,866,118.60 : 489,366,048.30 = 172,811,110.60 : x
  2. Step 2: Convert to fraction form
    325,866,118.60/489,366,048.30 = 172,811,110.60/x
  3. Step 3: Cross multiply
    325,866,118.60x = 489,366,048.30 × 172,811,110.60
  4. Step 4: Simplify right side
    325,866,118.60x = 84,567,890,296,656,240
  5. Step 5: Solve for x
    x = 84,567,890,296,656,240/325,866,118.60
  6. Step 6: Final answer
    x = 259,517,284.77

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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.