Home / 140,193,375.38-193,466,379.44-77,467,726.16

Finding the Fourth Proportional to 140,193,375.38, 193,466,379.44 and 77,467,726.16

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Solution

The fourth proportional to 140,193,375.38, 193,466,379.44 and 77,467,726.16 is: 106,905,197.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,193,375.38 : 193,466,379.44 = 77,467,726.16 : x
  2. Step 2: Convert to fraction form
    140,193,375.38/193,466,379.44 = 77,467,726.16/x
  3. Step 3: Cross multiply
    140,193,375.38x = 193,466,379.44 × 77,467,726.16
  4. Step 4: Simplify right side
    140,193,375.38x = 14,987,400,503,624,574
  5. Step 5: Solve for x
    x = 14,987,400,503,624,574/140,193,375.38
  6. Step 6: Final answer
    x = 106,905,197.65

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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.