Home / 291,233,768.40-436,850,652.60-75,823,016.40

Finding the Fourth Proportional to 291,233,768.40, 436,850,652.60 and 75,823,016.40

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Solution

The fourth proportional to 291,233,768.40, 436,850,652.60 and 75,823,016.40 is: 113,734,524.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,233,768.40 : 436,850,652.60 = 75,823,016.40 : x
  2. Step 2: Convert to fraction form
    291,233,768.40/436,850,652.60 = 75,823,016.40/x
  3. Step 3: Cross multiply
    291,233,768.40x = 436,850,652.60 × 75,823,016.40
  4. Step 4: Simplify right side
    291,233,768.40x = 33,123,334,196,440,508
  5. Step 5: Solve for x
    x = 33,123,334,196,440,508/291,233,768.40
  6. Step 6: Final answer
    x = 113,734,524.60

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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.