Home / 121,295,003.40-181,942,505.10-108,193,998.60

Finding the Fourth Proportional to 121,295,003.40, 181,942,505.10 and 108,193,998.60

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Solution

The fourth proportional to 121,295,003.40, 181,942,505.10 and 108,193,998.60 is: 162,290,997.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,295,003.40 : 181,942,505.10 = 108,193,998.60 : x
  2. Step 2: Convert to fraction form
    121,295,003.40/181,942,505.10 = 108,193,998.60/x
  3. Step 3: Cross multiply
    121,295,003.40x = 181,942,505.10 × 108,193,998.60
  4. Step 4: Simplify right side
    121,295,003.40x = 19,685,087,142,069,892
  5. Step 5: Solve for x
    x = 19,685,087,142,069,892/121,295,003.40
  6. Step 6: Final answer
    x = 162,290,997.90

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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.