Home / 275,440,645.71-380,104,335.59-156,362,202.14

Finding the Fourth Proportional to 275,440,645.71, 380,104,335.59 and 156,362,202.14

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Solution

The fourth proportional to 275,440,645.71, 380,104,335.59 and 156,362,202.14 is: 215,777,707.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,440,645.71 : 380,104,335.59 = 156,362,202.14 : x
  2. Step 2: Convert to fraction form
    275,440,645.71/380,104,335.59 = 156,362,202.14/x
  3. Step 3: Cross multiply
    275,440,645.71x = 380,104,335.59 × 156,362,202.14
  4. Step 4: Simplify right side
    275,440,645.71x = 59,433,950,953,131,640
  5. Step 5: Solve for x
    x = 59,433,950,953,131,640/275,440,645.71
  6. Step 6: Final answer
    x = 215,777,707.03

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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.