Home / 108,873,964.80-163,310,947.20-54,454,406.40

Finding the Fourth Proportional to 108,873,964.80, 163,310,947.20 and 54,454,406.40

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Solution

The fourth proportional to 108,873,964.80, 163,310,947.20 and 54,454,406.40 is: 81,681,609.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,873,964.80 : 163,310,947.20 = 54,454,406.40 : x
  2. Step 2: Convert to fraction form
    108,873,964.80/163,310,947.20 = 54,454,406.40/x
  3. Step 3: Cross multiply
    108,873,964.80x = 163,310,947.20 × 54,454,406.40
  4. Step 4: Simplify right side
    108,873,964.80x = 8,893,000,688,397,741
  5. Step 5: Solve for x
    x = 8,893,000,688,397,741/108,873,964.80
  6. Step 6: Final answer
    x = 81,681,609.60

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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.