Home / 142,189,360.62-213,292,012.49-39,945,426.72

Finding the Fourth Proportional to 142,189,360.62, 213,292,012.49 and 39,945,426.72

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Solution

The fourth proportional to 142,189,360.62, 213,292,012.49 and 39,945,426.72 is: 59,920,379.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,189,360.62 : 213,292,012.49 = 39,945,426.72 : x
  2. Step 2: Convert to fraction form
    142,189,360.62/213,292,012.49 = 39,945,426.72/x
  3. Step 3: Cross multiply
    142,189,360.62x = 213,292,012.49 × 39,945,426.72
  4. Step 4: Simplify right side
    142,189,360.62x = 8,520,040,454,880,620
  5. Step 5: Solve for x
    x = 8,520,040,454,880,620/142,189,360.62
  6. Step 6: Final answer
    x = 59,920,379.54

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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.