Home / 67,670,872.12-101,510,221.56-19,144,660.96

Finding the Fourth Proportional to 67,670,872.12, 101,510,221.56 and 19,144,660.96

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Solution

The fourth proportional to 67,670,872.12, 101,510,221.56 and 19,144,660.96 is: 28,718,098.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,670,872.12 : 101,510,221.56 = 19,144,660.96 : x
  2. Step 2: Convert to fraction form
    67,670,872.12/101,510,221.56 = 19,144,660.96/x
  3. Step 3: Cross multiply
    67,670,872.12x = 101,510,221.56 × 19,144,660.96
  4. Step 4: Simplify right side
    67,670,872.12x = 1,943,378,775,740,682.50
  5. Step 5: Solve for x
    x = 1,943,378,775,740,682.50/67,670,872.12
  6. Step 6: Final answer
    x = 28,718,098.57

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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.