Home / 265,721,280.30-398,581,920.45-149,016,836.70

Finding the Fourth Proportional to 265,721,280.30, 398,581,920.45 and 149,016,836.70

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Solution

The fourth proportional to 265,721,280.30, 398,581,920.45 and 149,016,836.70 is: 223,525,255.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,721,280.30 : 398,581,920.45 = 149,016,836.70 : x
  2. Step 2: Convert to fraction form
    265,721,280.30/398,581,920.45 = 149,016,836.70/x
  3. Step 3: Cross multiply
    265,721,280.30x = 398,581,920.45 × 149,016,836.70
  4. Step 4: Simplify right side
    265,721,280.30x = 59,395,416,951,270,032
  5. Step 5: Solve for x
    x = 59,395,416,951,270,032/265,721,280.30
  6. Step 6: Final answer
    x = 223,525,255.05

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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.