Home / 128,364,793.07-192,555,244.04-36,255,743.30

Finding the Fourth Proportional to 128,364,793.07, 192,555,244.04 and 36,255,743.30

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Solution

The fourth proportional to 128,364,793.07, 192,555,244.04 and 36,255,743.30 is: 54,385,889.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,364,793.07 : 192,555,244.04 = 36,255,743.30 : x
  2. Step 2: Convert to fraction form
    128,364,793.07/192,555,244.04 = 36,255,743.30/x
  3. Step 3: Cross multiply
    128,364,793.07x = 192,555,244.04 × 36,255,743.30
  4. Step 4: Simplify right side
    128,364,793.07x = 6,981,233,499,283,205
  5. Step 5: Solve for x
    x = 6,981,233,499,283,205/128,364,793.07
  6. Step 6: Final answer
    x = 54,385,889.87

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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.