Home / 265,825,015.20-398,737,522.80-156,538,000.80

Finding the Fourth Proportional to 265,825,015.20, 398,737,522.80 and 156,538,000.80

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Solution

The fourth proportional to 265,825,015.20, 398,737,522.80 and 156,538,000.80 is: 234,807,001.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,825,015.20 : 398,737,522.80 = 156,538,000.80 : x
  2. Step 2: Convert to fraction form
    265,825,015.20/398,737,522.80 = 156,538,000.80/x
  3. Step 3: Cross multiply
    265,825,015.20x = 398,737,522.80 × 156,538,000.80
  4. Step 4: Simplify right side
    265,825,015.20x = 62,417,574,663,056,424
  5. Step 5: Solve for x
    x = 62,417,574,663,056,424/265,825,015.20
  6. Step 6: Final answer
    x = 234,807,001.20

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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.