Home / 268,196,276.30-402,294,414.45-132,147,380.30

Finding the Fourth Proportional to 268,196,276.30, 402,294,414.45 and 132,147,380.30

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Solution

The fourth proportional to 268,196,276.30, 402,294,414.45 and 132,147,380.30 is: 198,221,070.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,196,276.30 : 402,294,414.45 = 132,147,380.30 : x
  2. Step 2: Convert to fraction form
    268,196,276.30/402,294,414.45 = 132,147,380.30/x
  3. Step 3: Cross multiply
    268,196,276.30x = 402,294,414.45 × 132,147,380.30
  4. Step 4: Simplify right side
    268,196,276.30x = 53,162,152,978,889,960
  5. Step 5: Solve for x
    x = 53,162,152,978,889,960/268,196,276.30
  6. Step 6: Final answer
    x = 198,221,070.45

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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.