Home / 165,356,236.55-228,189,795.59-91,015,207.67

Finding the Fourth Proportional to 165,356,236.55, 228,189,795.59 and 91,015,207.67

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Solution

The fourth proportional to 165,356,236.55, 228,189,795.59 and 91,015,207.67 is: 125,599,989.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,356,236.55 : 228,189,795.59 = 91,015,207.67 : x
  2. Step 2: Convert to fraction form
    165,356,236.55/228,189,795.59 = 91,015,207.67/x
  3. Step 3: Cross multiply
    165,356,236.55x = 228,189,795.59 × 91,015,207.67
  4. Step 4: Simplify right side
    165,356,236.55x = 20,768,741,633,343,624
  5. Step 5: Solve for x
    x = 20,768,741,633,343,624/165,356,236.55
  6. Step 6: Final answer
    x = 125,599,989.86

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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.