Home / 80,224,713.44-120,302,027.67-28,392,089.03

Finding the Fourth Proportional to 80,224,713.44, 120,302,027.67 and 28,392,089.03

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Solution

The fourth proportional to 80,224,713.44, 120,302,027.67 and 28,392,089.03 is: 42,575,731.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,224,713.44 : 120,302,027.67 = 28,392,089.03 : x
  2. Step 2: Convert to fraction form
    80,224,713.44/120,302,027.67 = 28,392,089.03/x
  3. Step 3: Cross multiply
    80,224,713.44x = 120,302,027.67 × 28,392,089.03
  4. Step 4: Simplify right side
    80,224,713.44x = 3,415,625,880,096,163.50
  5. Step 5: Solve for x
    x = 3,415,625,880,096,163.50/80,224,713.44
  6. Step 6: Final answer
    x = 42,575,731.76

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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.