Home / 67,136,246.40-100,704,369.60-54,381,662.40

Finding the Fourth Proportional to 67,136,246.40, 100,704,369.60 and 54,381,662.40

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Solution

The fourth proportional to 67,136,246.40, 100,704,369.60 and 54,381,662.40 is: 81,572,493.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,136,246.40 : 100,704,369.60 = 54,381,662.40 : x
  2. Step 2: Convert to fraction form
    67,136,246.40/100,704,369.60 = 54,381,662.40/x
  3. Step 3: Cross multiply
    67,136,246.40x = 100,704,369.60 × 54,381,662.40
  4. Step 4: Simplify right side
    67,136,246.40x = 5,476,471,029,792,023
  5. Step 5: Solve for x
    x = 5,476,471,029,792,023/67,136,246.40
  6. Step 6: Final answer
    x = 81,572,493.60

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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.