Home / 230,916,572.80-318,664,930.32-126,498,356.20

Finding the Fourth Proportional to 230,916,572.80, 318,664,930.32 and 126,498,356.20

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Solution

The fourth proportional to 230,916,572.80, 318,664,930.32 and 126,498,356.20 is: 174,567,764.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,916,572.80 : 318,664,930.32 = 126,498,356.20 : x
  2. Step 2: Convert to fraction form
    230,916,572.80/318,664,930.32 = 126,498,356.20/x
  3. Step 3: Cross multiply
    230,916,572.80x = 318,664,930.32 × 126,498,356.20
  4. Step 4: Simplify right side
    230,916,572.80x = 40,310,589,864,067,544
  5. Step 5: Solve for x
    x = 40,310,589,864,067,544/230,916,572.80
  6. Step 6: Final answer
    x = 174,567,764.35

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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.