Home / 54,682,411.20-82,023,616.80-53,832,105.60

Finding the Fourth Proportional to 54,682,411.20, 82,023,616.80 and 53,832,105.60

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Solution

The fourth proportional to 54,682,411.20, 82,023,616.80 and 53,832,105.60 is: 80,748,158.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,682,411.20 : 82,023,616.80 = 53,832,105.60 : x
  2. Step 2: Convert to fraction form
    54,682,411.20/82,023,616.80 = 53,832,105.60/x
  3. Step 3: Cross multiply
    54,682,411.20x = 82,023,616.80 × 53,832,105.60
  4. Step 4: Simplify right side
    54,682,411.20x = 4,415,504,001,271,534
  5. Step 5: Solve for x
    x = 4,415,504,001,271,534/54,682,411.20
  6. Step 6: Final answer
    x = 80,748,158.40

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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.