Home / 219,589,990.38-329,385,755.07-55,827,764.51

Finding the Fourth Proportional to 219,589,990.38, 329,385,755.07 and 55,827,764.51

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Solution

The fourth proportional to 219,589,990.38, 329,385,755.07 and 55,827,764.51 is: 83,741,842.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,589,990.38 : 329,385,755.07 = 55,827,764.51 : x
  2. Step 2: Convert to fraction form
    219,589,990.38/329,385,755.07 = 55,827,764.51/x
  3. Step 3: Cross multiply
    219,589,990.38x = 329,385,755.07 × 55,827,764.51
  4. Step 4: Simplify right side
    219,589,990.38x = 18,388,870,365,349,572
  5. Step 5: Solve for x
    x = 18,388,870,365,349,572/219,589,990.38
  6. Step 6: Final answer
    x = 83,741,842.39

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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.