Home / 78,764,500.64-108,690,475.92-43,954,459.04

Finding the Fourth Proportional to 78,764,500.64, 108,690,475.92 and 43,954,459.04

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Solution

The fourth proportional to 78,764,500.64, 108,690,475.92 and 43,954,459.04 is: 60,654,622.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,764,500.64 : 108,690,475.92 = 43,954,459.04 : x
  2. Step 2: Convert to fraction form
    78,764,500.64/108,690,475.92 = 43,954,459.04/x
  3. Step 3: Cross multiply
    78,764,500.64x = 108,690,475.92 × 43,954,459.04
  4. Step 4: Simplify right side
    78,764,500.64x = 4,777,431,071,863,746
  5. Step 5: Solve for x
    x = 4,777,431,071,863,746/78,764,500.64
  6. Step 6: Final answer
    x = 60,654,622.74

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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.