Home / 71,861,344.59-107,792,880.73-20,042,793.17

Finding the Fourth Proportional to 71,861,344.59, 107,792,880.73 and 20,042,793.17

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Solution

The fourth proportional to 71,861,344.59, 107,792,880.73 and 20,042,793.17 is: 30,064,430.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,861,344.59 : 107,792,880.73 = 20,042,793.17 : x
  2. Step 2: Convert to fraction form
    71,861,344.59/107,792,880.73 = 20,042,793.17/x
  3. Step 3: Cross multiply
    71,861,344.59x = 107,792,880.73 × 20,042,793.17
  4. Step 4: Simplify right side
    71,861,344.59x = 2,160,470,413,238,119.25
  5. Step 5: Solve for x
    x = 2,160,470,413,238,119.25/71,861,344.59
  6. Step 6: Final answer
    x = 30,064,430.68

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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.