Home / 243,387,341.33-335,990,348.62-163,057,651.57

Finding the Fourth Proportional to 243,387,341.33, 335,990,348.62 and 163,057,651.57

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Solution

The fourth proportional to 243,387,341.33, 335,990,348.62 and 163,057,651.57 is: 225,097,151.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,387,341.33 : 335,990,348.62 = 163,057,651.57 : x
  2. Step 2: Convert to fraction form
    243,387,341.33/335,990,348.62 = 163,057,651.57/x
  3. Step 3: Cross multiply
    243,387,341.33x = 335,990,348.62 × 163,057,651.57
  4. Step 4: Simplify right side
    243,387,341.33x = 54,785,797,194,915,168
  5. Step 5: Solve for x
    x = 54,785,797,194,915,168/243,387,341.33
  6. Step 6: Final answer
    x = 225,097,151.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.