Home / 279,179,881.20-418,958,778.60-125,746,959.60

Finding the Fourth Proportional to 279,179,881.20, 418,958,778.60 and 125,746,959.60

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Solution

The fourth proportional to 279,179,881.20, 418,958,778.60 and 125,746,959.60 is: 188,705,548.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,179,881.20 : 418,958,778.60 = 125,746,959.60 : x
  2. Step 2: Convert to fraction form
    279,179,881.20/418,958,778.60 = 125,746,959.60/x
  3. Step 3: Cross multiply
    279,179,881.20x = 418,958,778.60 × 125,746,959.60
  4. Step 4: Simplify right side
    279,179,881.20x = 52,682,792,606,679,544
  5. Step 5: Solve for x
    x = 52,682,792,606,679,544/279,179,881.20
  6. Step 6: Final answer
    x = 188,705,548.48

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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.