Home / 279,252,241.09-418,738,218.68-162,705,261.49

Finding the Fourth Proportional to 279,252,241.09, 418,738,218.68 and 162,705,261.49

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Solution

The fourth proportional to 279,252,241.09, 418,738,218.68 and 162,705,261.49 is: 243,976,238.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,252,241.09 : 418,738,218.68 = 162,705,261.49 : x
  2. Step 2: Convert to fraction form
    279,252,241.09/418,738,218.68 = 162,705,261.49/x
  3. Step 3: Cross multiply
    279,252,241.09x = 418,738,218.68 × 162,705,261.49
  4. Step 4: Simplify right side
    279,252,241.09x = 68,130,911,365,372,680
  5. Step 5: Solve for x
    x = 68,130,911,365,372,680/279,252,241.09
  6. Step 6: Final answer
    x = 243,976,238.47

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.