Home / 70,206,311.56-105,320,686.64-21,672,757.48

Finding the Fourth Proportional to 70,206,311.56, 105,320,686.64 and 21,672,757.48

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Solution

The fourth proportional to 70,206,311.56, 105,320,686.64 and 21,672,757.48 is: 32,512,599.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,206,311.56 : 105,320,686.64 = 21,672,757.48 : x
  2. Step 2: Convert to fraction form
    70,206,311.56/105,320,686.64 = 21,672,757.48/x
  3. Step 3: Cross multiply
    70,206,311.56x = 105,320,686.64 × 21,672,757.48
  4. Step 4: Simplify right side
    70,206,311.56x = 2,282,589,699,175,796
  5. Step 5: Solve for x
    x = 2,282,589,699,175,796/70,206,311.56
  6. Step 6: Final answer
    x = 32,512,599.63

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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.