Home / 354,964,910.80-532,447,366.20-240,303,125.20

Finding the Fourth Proportional to 354,964,910.80, 532,447,366.20 and 240,303,125.20

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Solution

The fourth proportional to 354,964,910.80, 532,447,366.20 and 240,303,125.20 is: 360,454,687.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,964,910.80 : 532,447,366.20 = 240,303,125.20 : x
  2. Step 2: Convert to fraction form
    354,964,910.80/532,447,366.20 = 240,303,125.20/x
  3. Step 3: Cross multiply
    354,964,910.80x = 532,447,366.20 × 240,303,125.20
  4. Step 4: Simplify right side
    354,964,910.80x = 127,948,766,102,368,832
  5. Step 5: Solve for x
    x = 127,948,766,102,368,832/354,964,910.80
  6. Step 6: Final answer
    x = 360,454,687.80

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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.