Home / 131,452,860.82-181,389,142.40-75,716,408.23

Finding the Fourth Proportional to 131,452,860.82, 181,389,142.40 and 75,716,408.23

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Solution

The fourth proportional to 131,452,860.82, 181,389,142.40 and 75,716,408.23 is: 104,479,539.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,452,860.82 : 181,389,142.40 = 75,716,408.23 : x
  2. Step 2: Convert to fraction form
    131,452,860.82/181,389,142.40 = 75,716,408.23/x
  3. Step 3: Cross multiply
    131,452,860.82x = 181,389,142.40 × 75,716,408.23
  4. Step 4: Simplify right side
    131,452,860.82x = 13,734,134,354,183,822
  5. Step 5: Solve for x
    x = 13,734,134,354,183,822/131,452,860.82
  6. Step 6: Final answer
    x = 104,479,539.42

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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.