Home / 101,082,707.75-139,494,163.33-57,039,040.37

Finding the Fourth Proportional to 101,082,707.75, 139,494,163.33 and 57,039,040.37

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Solution

The fourth proportional to 101,082,707.75, 139,494,163.33 and 57,039,040.37 is: 78,713,890.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,082,707.75 : 139,494,163.33 = 57,039,040.37 : x
  2. Step 2: Convert to fraction form
    101,082,707.75/139,494,163.33 = 57,039,040.37/x
  3. Step 3: Cross multiply
    101,082,707.75x = 139,494,163.33 × 57,039,040.37
  4. Step 4: Simplify right side
    101,082,707.75x = 7,956,613,213,979,279
  5. Step 5: Solve for x
    x = 7,956,613,213,979,279/101,082,707.75
  6. Step 6: Final answer
    x = 78,713,890.74

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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.