Home / 159,498,618.67-220,149,047.03-103,882,629.12

Finding the Fourth Proportional to 159,498,618.67, 220,149,047.03 and 103,882,629.12

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Solution

The fourth proportional to 159,498,618.67, 220,149,047.03 and 103,882,629.12 is: 143,384,701.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,498,618.67 : 220,149,047.03 = 103,882,629.12 : x
  2. Step 2: Convert to fraction form
    159,498,618.67/220,149,047.03 = 103,882,629.12/x
  3. Step 3: Cross multiply
    159,498,618.67x = 220,149,047.03 × 103,882,629.12
  4. Step 4: Simplify right side
    159,498,618.67x = 22,869,661,803,738,928
  5. Step 5: Solve for x
    x = 22,869,661,803,738,928/159,498,618.67
  6. Step 6: Final answer
    x = 143,384,701.35

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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.