Home / 143,508,106.94-198,047,626.98-80,805,767.18

Finding the Fourth Proportional to 143,508,106.94, 198,047,626.98 and 80,805,767.18

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Solution

The fourth proportional to 143,508,106.94, 198,047,626.98 and 80,805,767.18 is: 111,515,584.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,508,106.94 : 198,047,626.98 = 80,805,767.18 : x
  2. Step 2: Convert to fraction form
    143,508,106.94/198,047,626.98 = 80,805,767.18/x
  3. Step 3: Cross multiply
    143,508,106.94x = 198,047,626.98 × 80,805,767.18
  4. Step 4: Simplify right side
    143,508,106.94x = 16,003,390,436,297,368
  5. Step 5: Solve for x
    x = 16,003,390,436,297,368/143,508,106.94
  6. Step 6: Final answer
    x = 111,515,584.57

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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.