Home / 53,423,861.60-80,135,792.40-31,882,786.40

Finding the Fourth Proportional to 53,423,861.60, 80,135,792.40 and 31,882,786.40

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Solution

The fourth proportional to 53,423,861.60, 80,135,792.40 and 31,882,786.40 is: 47,824,179.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,423,861.60 : 80,135,792.40 = 31,882,786.40 : x
  2. Step 2: Convert to fraction form
    53,423,861.60/80,135,792.40 = 31,882,786.40/x
  3. Step 3: Cross multiply
    53,423,861.60x = 80,135,792.40 × 31,882,786.40
  4. Step 4: Simplify right side
    53,423,861.60x = 2,554,952,352,083,943.50
  5. Step 5: Solve for x
    x = 2,554,952,352,083,943.50/53,423,861.60
  6. Step 6: Final answer
    x = 47,824,179.60

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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.