Home / 134,217,144.21-185,216,754.90-77,704,272.96

Finding the Fourth Proportional to 134,217,144.21, 185,216,754.90 and 77,704,272.96

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Solution

The fourth proportional to 134,217,144.21, 185,216,754.90 and 77,704,272.96 is: 107,230,215.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,217,144.21 : 185,216,754.90 = 77,704,272.96 : x
  2. Step 2: Convert to fraction form
    134,217,144.21/185,216,754.90 = 77,704,272.96/x
  3. Step 3: Cross multiply
    134,217,144.21x = 185,216,754.90 × 77,704,272.96
  4. Step 4: Simplify right side
    134,217,144.21x = 14,392,133,279,515,016
  5. Step 5: Solve for x
    x = 14,392,133,279,515,016/134,217,144.21
  6. Step 6: Final answer
    x = 107,230,215.37

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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.