Home / 225,938,447.15-311,777,945.81-126,800,047.69

Finding the Fourth Proportional to 225,938,447.15, 311,777,945.81 and 126,800,047.69

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Solution

The fourth proportional to 225,938,447.15, 311,777,945.81 and 126,800,047.69 is: 174,974,462.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,938,447.15 : 311,777,945.81 = 126,800,047.69 : x
  2. Step 2: Convert to fraction form
    225,938,447.15/311,777,945.81 = 126,800,047.69/x
  3. Step 3: Cross multiply
    225,938,447.15x = 311,777,945.81 × 126,800,047.69
  4. Step 4: Simplify right side
    225,938,447.15x = 39,533,458,396,764,232
  5. Step 5: Solve for x
    x = 39,533,458,396,764,232/225,938,447.15
  6. Step 6: Final answer
    x = 174,974,462.72

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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.