Home / 316,898,458.20-475,347,687.30-163,843,450.20

Finding the Fourth Proportional to 316,898,458.20, 475,347,687.30 and 163,843,450.20

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Solution

The fourth proportional to 316,898,458.20, 475,347,687.30 and 163,843,450.20 is: 245,765,175.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,898,458.20 : 475,347,687.30 = 163,843,450.20 : x
  2. Step 2: Convert to fraction form
    316,898,458.20/475,347,687.30 = 163,843,450.20/x
  3. Step 3: Cross multiply
    316,898,458.20x = 475,347,687.30 × 163,843,450.20
  4. Step 4: Simplify right side
    316,898,458.20x = 77,882,605,131,822,720
  5. Step 5: Solve for x
    x = 77,882,605,131,822,720/316,898,458.20
  6. Step 6: Final answer
    x = 245,765,175.30

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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.