Home / 268,106,500.80-402,159,751.20-132,057,604.80

Finding the Fourth Proportional to 268,106,500.80, 402,159,751.20 and 132,057,604.80

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Solution

The fourth proportional to 268,106,500.80, 402,159,751.20 and 132,057,604.80 is: 198,086,407.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,106,500.80 : 402,159,751.20 = 132,057,604.80 : x
  2. Step 2: Convert to fraction form
    268,106,500.80/402,159,751.20 = 132,057,604.80/x
  3. Step 3: Cross multiply
    268,106,500.80x = 402,159,751.20 × 132,057,604.80
  4. Step 4: Simplify right side
    268,106,500.80x = 53,108,253,490,435,920
  5. Step 5: Solve for x
    x = 53,108,253,490,435,920/268,106,500.80
  6. Step 6: Final answer
    x = 198,086,407.20

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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.