Home / 71,079,905.60-106,608,799.20-19,956,910.40

Finding the Fourth Proportional to 71,079,905.60, 106,608,799.20 and 19,956,910.40

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Solution

The fourth proportional to 71,079,905.60, 106,608,799.20 and 19,956,910.40 is: 29,932,260.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,079,905.60 : 106,608,799.20 = 19,956,910.40 : x
  2. Step 2: Convert to fraction form
    71,079,905.60/106,608,799.20 = 19,956,910.40/x
  3. Step 3: Cross multiply
    71,079,905.60x = 106,608,799.20 × 19,956,910.40
  4. Step 4: Simplify right side
    71,079,905.60x = 2,127,582,253,485,991.50
  5. Step 5: Solve for x
    x = 2,127,582,253,485,991.50/71,079,905.60
  6. Step 6: Final answer
    x = 29,932,260.54

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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.