Home / 80,970,123.09-111,622,552.56-57,724,893.75

Finding the Fourth Proportional to 80,970,123.09, 111,622,552.56 and 57,724,893.75

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Solution

The fourth proportional to 80,970,123.09, 111,622,552.56 and 57,724,893.75 is: 79,577,500.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,970,123.09 : 111,622,552.56 = 57,724,893.75 : x
  2. Step 2: Convert to fraction form
    80,970,123.09/111,622,552.56 = 57,724,893.75/x
  3. Step 3: Cross multiply
    80,970,123.09x = 111,622,552.56 × 57,724,893.75
  4. Step 4: Simplify right side
    80,970,123.09x = 6,443,399,986,629,791
  5. Step 5: Solve for x
    x = 6,443,399,986,629,791/80,970,123.09
  6. Step 6: Final answer
    x = 79,577,500.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.