Home / 125,263,872,894.80-187,895,809,342.20-75,729,981,515.60

Finding the Fourth Proportional to 125,263,872,894.80, 187,895,809,342.20 and 75,729,981,515.60

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Solution

The fourth proportional to 125,263,872,894.80, 187,895,809,342.20 and 75,729,981,515.60 is: 113,594,972,273.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,263,872,894.80 : 187,895,809,342.20 = 75,729,981,515.60 : x
  2. Step 2: Convert to fraction form
    125,263,872,894.80/187,895,809,342.20 = 75,729,981,515.60/x
  3. Step 3: Cross multiply
    125,263,872,894.80x = 187,895,809,342.20 × 75,729,981,515.60
  4. Step 4: Simplify right side
    125,263,872,894.80x = 14,229,346,168,343,510,384,640
  5. Step 5: Solve for x
    x = 14,229,346,168,343,510,384,640/125,263,872,894.80
  6. Step 6: Final answer
    x = 113,594,972,273.40

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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.