Home / 144,047,462.22-198,785,479.59-77,967,947.34

Finding the Fourth Proportional to 144,047,462.22, 198,785,479.59 and 77,967,947.34

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Solution

The fourth proportional to 144,047,462.22, 198,785,479.59 and 77,967,947.34 is: 107,595,757.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,047,462.22 : 198,785,479.59 = 77,967,947.34 : x
  2. Step 2: Convert to fraction form
    144,047,462.22/198,785,479.59 = 77,967,947.34/x
  3. Step 3: Cross multiply
    144,047,462.22x = 198,785,479.59 × 77,967,947.34
  4. Step 4: Simplify right side
    144,047,462.22x = 15,498,895,804,629,766
  5. Step 5: Solve for x
    x = 15,498,895,804,629,766/144,047,462.22
  6. Step 6: Final answer
    x = 107,595,757.44

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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.