Home / 108,979,441.79-163,469,753.24-28,200,409.79

Finding the Fourth Proportional to 108,979,441.79, 163,469,753.24 and 28,200,409.79

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Solution

The fourth proportional to 108,979,441.79, 163,469,753.24 and 28,200,409.79 is: 42,300,767.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,979,441.79 : 163,469,753.24 = 28,200,409.79 : x
  2. Step 2: Convert to fraction form
    108,979,441.79/163,469,753.24 = 28,200,409.79/x
  3. Step 3: Cross multiply
    108,979,441.79x = 163,469,753.24 × 28,200,409.79
  4. Step 4: Simplify right side
    108,979,441.79x = 4,609,914,028,679,830
  5. Step 5: Solve for x
    x = 4,609,914,028,679,830/108,979,441.79
  6. Step 6: Final answer
    x = 42,300,767.49

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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.