Home / 57,842,719.43-79,823,104.42-31,381,071.90

Finding the Fourth Proportional to 57,842,719.43, 79,823,104.42 and 31,381,071.90

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Solution

The fourth proportional to 57,842,719.43, 79,823,104.42 and 31,381,071.90 is: 43,305,961.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,842,719.43 : 79,823,104.42 = 31,381,071.90 : x
  2. Step 2: Convert to fraction form
    57,842,719.43/79,823,104.42 = 31,381,071.90/x
  3. Step 3: Cross multiply
    57,842,719.43x = 79,823,104.42 × 31,381,071.90
  4. Step 4: Simplify right side
    57,842,719.43x = 2,504,934,579,085,227.50
  5. Step 5: Solve for x
    x = 2,504,934,579,085,227.50/57,842,719.43
  6. Step 6: Final answer
    x = 43,305,961.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.