Home / 67,842,817.75-101,764,834.89-19,320,647.01

Finding the Fourth Proportional to 67,842,817.75, 101,764,834.89 and 19,320,647.01

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Solution

The fourth proportional to 67,842,817.75, 101,764,834.89 and 19,320,647.01 is: 28,981,143.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,842,817.75 : 101,764,834.89 = 19,320,647.01 : x
  2. Step 2: Convert to fraction form
    67,842,817.75/101,764,834.89 = 19,320,647.01/x
  3. Step 3: Cross multiply
    67,842,817.75x = 101,764,834.89 × 19,320,647.01
  4. Step 4: Simplify right side
    67,842,817.75x = 1,966,162,452,486,551.75
  5. Step 5: Solve for x
    x = 1,966,162,452,486,551.75/67,842,817.75
  6. Step 6: Final answer
    x = 28,981,143.73

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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.