Home / 71,017,372.42-106,556,747.20-38,189,571.92

Finding the Fourth Proportional to 71,017,372.42, 106,556,747.20 and 38,189,571.92

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Solution

The fourth proportional to 71,017,372.42, 106,556,747.20 and 38,189,571.92 is: 57,300,860.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,017,372.42 : 106,556,747.20 = 38,189,571.92 : x
  2. Step 2: Convert to fraction form
    71,017,372.42/106,556,747.20 = 38,189,571.92/x
  3. Step 3: Cross multiply
    71,017,372.42x = 106,556,747.20 × 38,189,571.92
  4. Step 4: Simplify right side
    71,017,372.42x = 4,069,356,560,564,710.50
  5. Step 5: Solve for x
    x = 4,069,356,560,564,710.50/71,017,372.42
  6. Step 6: Final answer
    x = 57,300,860.65

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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.