Home / 101,716,170.72-140,367,339.84-55,306,434.21

Finding the Fourth Proportional to 101,716,170.72, 140,367,339.84 and 55,306,434.21

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Solution

The fourth proportional to 101,716,170.72, 140,367,339.84 and 55,306,434.21 is: 76,322,348.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,716,170.72 : 140,367,339.84 = 55,306,434.21 : x
  2. Step 2: Convert to fraction form
    101,716,170.72/140,367,339.84 = 55,306,434.21/x
  3. Step 3: Cross multiply
    101,716,170.72x = 140,367,339.84 × 55,306,434.21
  4. Step 4: Simplify right side
    101,716,170.72x = 7,763,217,046,093,672
  5. Step 5: Solve for x
    x = 7,763,217,046,093,672/101,716,170.72
  6. Step 6: Final answer
    x = 76,322,348.66

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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.