Home / 108,873,007.80-163,309,511.70-54,453,449.40

Finding the Fourth Proportional to 108,873,007.80, 163,309,511.70 and 54,453,449.40

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Solution

The fourth proportional to 108,873,007.80, 163,309,511.70 and 54,453,449.40 is: 81,680,174.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,873,007.80 : 163,309,511.70 = 54,453,449.40 : x
  2. Step 2: Convert to fraction form
    108,873,007.80/163,309,511.70 = 54,453,449.40/x
  3. Step 3: Cross multiply
    108,873,007.80x = 163,309,511.70 × 54,453,449.40
  4. Step 4: Simplify right side
    108,873,007.80x = 8,892,766,231,894,657
  5. Step 5: Solve for x
    x = 8,892,766,231,894,657/108,873,007.80
  6. Step 6: Final answer
    x = 81,680,174.10

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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.