Home / 142,661,748.67-213,925,163.77-55,264,198.57

Finding the Fourth Proportional to 142,661,748.67, 213,925,163.77 and 55,264,198.57

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Solution

The fourth proportional to 142,661,748.67, 213,925,163.77 and 55,264,198.57 is: 82,870,165.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,661,748.67 : 213,925,163.77 = 55,264,198.57 : x
  2. Step 2: Convert to fraction form
    142,661,748.67/213,925,163.77 = 55,264,198.57/x
  3. Step 3: Cross multiply
    142,661,748.67x = 213,925,163.77 × 55,264,198.57
  4. Step 4: Simplify right side
    142,661,748.67x = 11,822,402,729,705,050
  5. Step 5: Solve for x
    x = 11,822,402,729,705,050/142,661,748.67
  6. Step 6: Final answer
    x = 82,870,165.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.