Home / 231,840,578.80-347,760,868.20-124,345,154.80

Finding the Fourth Proportional to 231,840,578.80, 347,760,868.20 and 124,345,154.80

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Solution

The fourth proportional to 231,840,578.80, 347,760,868.20 and 124,345,154.80 is: 186,517,732.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,840,578.80 : 347,760,868.20 = 124,345,154.80 : x
  2. Step 2: Convert to fraction form
    231,840,578.80/347,760,868.20 = 124,345,154.80/x
  3. Step 3: Cross multiply
    231,840,578.80x = 347,760,868.20 × 124,345,154.80
  4. Step 4: Simplify right side
    231,840,578.80x = 43,242,378,989,711,392
  5. Step 5: Solve for x
    x = 43,242,378,989,711,392/231,840,578.80
  6. Step 6: Final answer
    x = 186,517,732.20

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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.