Home / 179,355,643.80-269,096,451.30-77,151,010.20

Finding the Fourth Proportional to 179,355,643.80, 269,096,451.30 and 77,151,010.20

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Solution

The fourth proportional to 179,355,643.80, 269,096,451.30 and 77,151,010.20 is: 115,753,608.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,355,643.80 : 269,096,451.30 = 77,151,010.20 : x
  2. Step 2: Convert to fraction form
    179,355,643.80/269,096,451.30 = 77,151,010.20/x
  3. Step 3: Cross multiply
    179,355,643.80x = 269,096,451.30 × 77,151,010.20
  4. Step 4: Simplify right side
    179,355,643.80x = 20,761,063,059,030,104
  5. Step 5: Solve for x
    x = 20,761,063,059,030,104/179,355,643.80
  6. Step 6: Final answer
    x = 115,753,608.97

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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.