Home / 81,650,721.60-122,476,082.40-33,151,809.60

Finding the Fourth Proportional to 81,650,721.60, 122,476,082.40 and 33,151,809.60

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Solution

The fourth proportional to 81,650,721.60, 122,476,082.40 and 33,151,809.60 is: 49,727,714.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,650,721.60 : 122,476,082.40 = 33,151,809.60 : x
  2. Step 2: Convert to fraction form
    81,650,721.60/122,476,082.40 = 33,151,809.60/x
  3. Step 3: Cross multiply
    81,650,721.60x = 122,476,082.40 × 33,151,809.60
  4. Step 4: Simplify right side
    81,650,721.60x = 4,060,303,764,278,711.50
  5. Step 5: Solve for x
    x = 4,060,303,764,278,711.50/81,650,721.60
  6. Step 6: Final answer
    x = 49,727,714.40

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Similar ratio
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1.5x scale

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.