Home / 203,001,839.28-280,135,032.72-110,180,354.40

Finding the Fourth Proportional to 203,001,839.28, 280,135,032.72 and 110,180,354.40

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Solution

The fourth proportional to 203,001,839.28, 280,135,032.72 and 110,180,354.40 is: 152,044,815.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,001,839.28 : 280,135,032.72 = 110,180,354.40 : x
  2. Step 2: Convert to fraction form
    203,001,839.28/280,135,032.72 = 110,180,354.40/x
  3. Step 3: Cross multiply
    203,001,839.28x = 280,135,032.72 × 110,180,354.40
  4. Step 4: Simplify right side
    203,001,839.28x = 30,865,377,184,945,200
  5. Step 5: Solve for x
    x = 30,865,377,184,945,200/203,001,839.28
  6. Step 6: Final answer
    x = 152,044,815.43

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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.