Home / 126,294,624.75-189,441,944.46-30,556,512.75

Finding the Fourth Proportional to 126,294,624.75, 189,441,944.46 and 30,556,512.75

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Solution

The fourth proportional to 126,294,624.75, 189,441,944.46 and 30,556,512.75 is: 45,834,770.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,294,624.75 : 189,441,944.46 = 30,556,512.75 : x
  2. Step 2: Convert to fraction form
    126,294,624.75/189,441,944.46 = 30,556,512.75/x
  3. Step 3: Cross multiply
    126,294,624.75x = 189,441,944.46 × 30,556,512.75
  4. Step 4: Simplify right side
    126,294,624.75x = 5,788,685,191,276,782
  5. Step 5: Solve for x
    x = 5,788,685,191,276,782/126,294,624.75
  6. Step 6: Final answer
    x = 45,834,770.90

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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.