Home / 108,889,238.20-163,333,857.30-84,230,375.80

Finding the Fourth Proportional to 108,889,238.20, 163,333,857.30 and 84,230,375.80

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Solution

The fourth proportional to 108,889,238.20, 163,333,857.30 and 84,230,375.80 is: 126,345,563.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,889,238.20 : 163,333,857.30 = 84,230,375.80 : x
  2. Step 2: Convert to fraction form
    108,889,238.20/163,333,857.30 = 84,230,375.80/x
  3. Step 3: Cross multiply
    108,889,238.20x = 163,333,857.30 × 84,230,375.80
  4. Step 4: Simplify right side
    108,889,238.20x = 13,757,672,181,242,574
  5. Step 5: Solve for x
    x = 13,757,672,181,242,574/108,889,238.20
  6. Step 6: Final answer
    x = 126,345,563.70

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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.