Home / 255,825,358.45-353,040,058.52-138,350,688.68

Finding the Fourth Proportional to 255,825,358.45, 353,040,058.52 and 138,350,688.68

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Solution

The fourth proportional to 255,825,358.45, 353,040,058.52 and 138,350,688.68 is: 190,924,525.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,825,358.45 : 353,040,058.52 = 138,350,688.68 : x
  2. Step 2: Convert to fraction form
    255,825,358.45/353,040,058.52 = 138,350,688.68/x
  3. Step 3: Cross multiply
    255,825,358.45x = 353,040,058.52 × 138,350,688.68
  4. Step 4: Simplify right side
    255,825,358.45x = 48,843,335,227,869,504
  5. Step 5: Solve for x
    x = 48,843,335,227,869,504/255,825,358.45
  6. Step 6: Final answer
    x = 190,924,525.71

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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.