Home / 216,792,001.40-325,080,401.70-78,612,092.60

Finding the Fourth Proportional to 216,792,001.40, 325,080,401.70 and 78,612,092.60

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Solution

The fourth proportional to 216,792,001.40, 325,080,401.70 and 78,612,092.60 is: 117,879,121.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,792,001.40 : 325,080,401.70 = 78,612,092.60 : x
  2. Step 2: Convert to fraction form
    216,792,001.40/325,080,401.70 = 78,612,092.60/x
  3. Step 3: Cross multiply
    216,792,001.40x = 325,080,401.70 × 78,612,092.60
  4. Step 4: Simplify right side
    216,792,001.40x = 25,555,250,640,885,596
  5. Step 5: Solve for x
    x = 25,555,250,640,885,596/216,792,001.40
  6. Step 6: Final answer
    x = 117,879,121.35

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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.