Home / 275,434,570.40-413,055,294.96-81,294,185.12

Finding the Fourth Proportional to 275,434,570.40, 413,055,294.96 and 81,294,185.12

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Solution

The fourth proportional to 275,434,570.40, 413,055,294.96 and 81,294,185.12 is: 121,912,777.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,434,570.40 : 413,055,294.96 = 81,294,185.12 : x
  2. Step 2: Convert to fraction form
    275,434,570.40/413,055,294.96 = 81,294,185.12/x
  3. Step 3: Cross multiply
    275,434,570.40x = 413,055,294.96 × 81,294,185.12
  4. Step 4: Simplify right side
    275,434,570.40x = 33,578,993,613,274,444
  5. Step 5: Solve for x
    x = 33,578,993,613,274,444/275,434,570.40
  6. Step 6: Final answer
    x = 121,912,777.92

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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.