Home / 147,777,947.28-203,924,819.61-81,694,504.35

Finding the Fourth Proportional to 147,777,947.28, 203,924,819.61 and 81,694,504.35

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Solution

The fourth proportional to 147,777,947.28, 203,924,819.61 and 81,694,504.35 is: 112,733,580.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,777,947.28 : 203,924,819.61 = 81,694,504.35 : x
  2. Step 2: Convert to fraction form
    147,777,947.28/203,924,819.61 = 81,694,504.35/x
  3. Step 3: Cross multiply
    147,777,947.28x = 203,924,819.61 × 81,694,504.35
  4. Step 4: Simplify right side
    147,777,947.28x = 16,659,537,062,702,110
  5. Step 5: Solve for x
    x = 16,659,537,062,702,110/147,777,947.28
  6. Step 6: Final answer
    x = 112,733,580.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.