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Finding the Fourth Proportional to 310,713,336.22, 466,131,402.06 and 113,978,576.56

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Solution

The fourth proportional to 310,713,336.22, 466,131,402.06 and 113,978,576.56 is: 170,990,387.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,713,336.22 : 466,131,402.06 = 113,978,576.56 : x
  2. Step 2: Convert to fraction form
    310,713,336.22/466,131,402.06 = 113,978,576.56/x
  3. Step 3: Cross multiply
    310,713,336.22x = 466,131,402.06 × 113,978,576.56
  4. Step 4: Simplify right side
    310,713,336.22x = 53,128,993,696,715,856
  5. Step 5: Solve for x
    x = 53,128,993,696,715,856/310,713,336.22
  6. Step 6: Final answer
    x = 170,990,387.29

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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.