Home / 275,440,657.34-380,104,351.70-156,362,213.82

Finding the Fourth Proportional to 275,440,657.34, 380,104,351.70 and 156,362,213.82

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Solution

The fourth proportional to 275,440,657.34, 380,104,351.70 and 156,362,213.82 is: 215,777,723.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,440,657.34 : 380,104,351.70 = 156,362,213.82 : x
  2. Step 2: Convert to fraction form
    275,440,657.34/380,104,351.70 = 156,362,213.82/x
  3. Step 3: Cross multiply
    275,440,657.34x = 380,104,351.70 × 156,362,213.82
  4. Step 4: Simplify right side
    275,440,657.34x = 59,433,957,914,427,872
  5. Step 5: Solve for x
    x = 59,433,957,914,427,872/275,440,657.34
  6. Step 6: Final answer
    x = 215,777,723.19

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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.