Home / 105,984,009.60-158,981,263.20-54,965,673.60

Finding the Fourth Proportional to 105,984,009.60, 158,981,263.20 and 54,965,673.60

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Solution

The fourth proportional to 105,984,009.60, 158,981,263.20 and 54,965,673.60 is: 82,451,232.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,984,009.60 : 158,981,263.20 = 54,965,673.60 : x
  2. Step 2: Convert to fraction form
    105,984,009.60/158,981,263.20 = 54,965,673.60/x
  3. Step 3: Cross multiply
    105,984,009.60x = 158,981,263.20 × 54,965,673.60
  4. Step 4: Simplify right side
    105,984,009.60x = 8,738,512,221,566,891
  5. Step 5: Solve for x
    x = 8,738,512,221,566,891/105,984,009.60
  6. Step 6: Final answer
    x = 82,451,232.54

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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.