Home / 80,852,085.60-121,278,128.40-32,305,934.40

Finding the Fourth Proportional to 80,852,085.60, 121,278,128.40 and 32,305,934.40

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Solution

The fourth proportional to 80,852,085.60, 121,278,128.40 and 32,305,934.40 is: 48,458,901.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,852,085.60 : 121,278,128.40 = 32,305,934.40 : x
  2. Step 2: Convert to fraction form
    80,852,085.60/121,278,128.40 = 32,305,934.40/x
  3. Step 3: Cross multiply
    80,852,085.60x = 121,278,128.40 × 32,305,934.40
  4. Step 4: Simplify right side
    80,852,085.60x = 3,918,003,260,245,177
  5. Step 5: Solve for x
    x = 3,918,003,260,245,177/80,852,085.60
  6. Step 6: Final answer
    x = 48,458,901.60

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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.