Home / 268,196,260.80-402,294,391.20-132,147,364.80

Finding the Fourth Proportional to 268,196,260.80, 402,294,391.20 and 132,147,364.80

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Solution

The fourth proportional to 268,196,260.80, 402,294,391.20 and 132,147,364.80 is: 198,221,047.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,196,260.80 : 402,294,391.20 = 132,147,364.80 : x
  2. Step 2: Convert to fraction form
    268,196,260.80/402,294,391.20 = 132,147,364.80/x
  3. Step 3: Cross multiply
    268,196,260.80x = 402,294,391.20 × 132,147,364.80
  4. Step 4: Simplify right side
    268,196,260.80x = 53,162,143,670,900,304
  5. Step 5: Solve for x
    x = 53,162,143,670,900,304/268,196,260.80
  6. Step 6: Final answer
    x = 198,221,047.20

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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.