Home / 225,938,446.40-311,777,944.77-126,800,046.94

Finding the Fourth Proportional to 225,938,446.40, 311,777,944.77 and 126,800,046.94

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Solution

The fourth proportional to 225,938,446.40, 311,777,944.77 and 126,800,046.94 is: 174,974,461.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,938,446.40 : 311,777,944.77 = 126,800,046.94 : x
  2. Step 2: Convert to fraction form
    225,938,446.40/311,777,944.77 = 126,800,046.94/x
  3. Step 3: Cross multiply
    225,938,446.40x = 311,777,944.77 × 126,800,046.94
  4. Step 4: Simplify right side
    225,938,446.40x = 39,533,458,031,692,728
  5. Step 5: Solve for x
    x = 39,533,458,031,692,728/225,938,446.40
  6. Step 6: Final answer
    x = 174,974,461.68

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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.