Home / 101,441,350.87-139,974,129.54-56,785,001.97

Finding the Fourth Proportional to 101,441,350.87, 139,974,129.54 and 56,785,001.97

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Solution

The fourth proportional to 101,441,350.87, 139,974,129.54 and 56,785,001.97 is: 78,354,942.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,441,350.87 : 139,974,129.54 = 56,785,001.97 : x
  2. Step 2: Convert to fraction form
    101,441,350.87/139,974,129.54 = 56,785,001.97/x
  3. Step 3: Cross multiply
    101,441,350.87x = 139,974,129.54 × 56,785,001.97
  4. Step 4: Simplify right side
    101,441,350.87x = 7,948,431,222,202,838
  5. Step 5: Solve for x
    x = 7,948,431,222,202,838/101,441,350.87
  6. Step 6: Final answer
    x = 78,354,942.57

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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.