Home / 257,879,383.20-386,819,074.80-154,567,252.80

Finding the Fourth Proportional to 257,879,383.20, 386,819,074.80 and 154,567,252.80

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Solution

The fourth proportional to 257,879,383.20, 386,819,074.80 and 154,567,252.80 is: 231,850,879.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,879,383.20 : 386,819,074.80 = 154,567,252.80 : x
  2. Step 2: Convert to fraction form
    257,879,383.20/386,819,074.80 = 154,567,252.80/x
  3. Step 3: Cross multiply
    257,879,383.20x = 386,819,074.80 × 154,567,252.80
  4. Step 4: Simplify right side
    257,879,383.20x = 59,789,561,722,473,712
  5. Step 5: Solve for x
    x = 59,789,561,722,473,712/257,879,383.20
  6. Step 6: Final answer
    x = 231,850,879.20

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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.