Home / 311,494,516.03-467,206,082.20-81,485,801.47

Finding the Fourth Proportional to 311,494,516.03, 467,206,082.20 and 81,485,801.47

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Solution

The fourth proportional to 311,494,516.03, 467,206,082.20 and 81,485,801.47 is: 122,219,365.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,494,516.03 : 467,206,082.20 = 81,485,801.47 : x
  2. Step 2: Convert to fraction form
    311,494,516.03/467,206,082.20 = 81,485,801.47/x
  3. Step 3: Cross multiply
    311,494,516.03x = 467,206,082.20 × 81,485,801.47
  4. Step 4: Simplify right side
    311,494,516.03x = 38,070,662,059,725,696
  5. Step 5: Solve for x
    x = 38,070,662,059,725,696/311,494,516.03
  6. Step 6: Final answer
    x = 122,219,365.35

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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.