Home / 201,938,832.72-278,675,577.12-109,119,337.56

Finding the Fourth Proportional to 201,938,832.72, 278,675,577.12 and 109,119,337.56

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Solution

The fourth proportional to 201,938,832.72, 278,675,577.12 and 109,119,337.56 is: 150,584,679.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,938,832.72 : 278,675,577.12 = 109,119,337.56 : x
  2. Step 2: Convert to fraction form
    201,938,832.72/278,675,577.12 = 109,119,337.56/x
  3. Step 3: Cross multiply
    201,938,832.72x = 278,675,577.12 × 109,119,337.56
  4. Step 4: Simplify right side
    201,938,832.72x = 30,408,894,369,485,092
  5. Step 5: Solve for x
    x = 30,408,894,369,485,092/201,938,832.72
  6. Step 6: Final answer
    x = 150,584,679.33

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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.