Home / 220,577,680.80-330,866,521.20-147,829,312.80

Finding the Fourth Proportional to 220,577,680.80, 330,866,521.20 and 147,829,312.80

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Solution

The fourth proportional to 220,577,680.80, 330,866,521.20 and 147,829,312.80 is: 221,743,969.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,577,680.80 : 330,866,521.20 = 147,829,312.80 : x
  2. Step 2: Convert to fraction form
    220,577,680.80/330,866,521.20 = 147,829,312.80/x
  3. Step 3: Cross multiply
    220,577,680.80x = 330,866,521.20 × 147,829,312.80
  4. Step 4: Simplify right side
    220,577,680.80x = 48,911,770,457,522,632
  5. Step 5: Solve for x
    x = 48,911,770,457,522,632/220,577,680.80
  6. Step 6: Final answer
    x = 221,743,969.20

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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.