Home / 120,858,666.30-181,287,999.45-104,419,424.70

Finding the Fourth Proportional to 120,858,666.30, 181,287,999.45 and 104,419,424.70

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Solution

The fourth proportional to 120,858,666.30, 181,287,999.45 and 104,419,424.70 is: 156,629,137.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,858,666.30 : 181,287,999.45 = 104,419,424.70 : x
  2. Step 2: Convert to fraction form
    120,858,666.30/181,287,999.45 = 104,419,424.70/x
  3. Step 3: Cross multiply
    120,858,666.30x = 181,287,999.45 × 104,419,424.70
  4. Step 4: Simplify right side
    120,858,666.30x = 18,929,988,607,582,916
  5. Step 5: Solve for x
    x = 18,929,988,607,582,916/120,858,666.30
  6. Step 6: Final answer
    x = 156,629,137.05

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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.