Home / 225,938,443.21-311,777,940.38-126,800,043.75

Finding the Fourth Proportional to 225,938,443.21, 311,777,940.38 and 126,800,043.75

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Solution

The fourth proportional to 225,938,443.21, 311,777,940.38 and 126,800,043.75 is: 174,974,457.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,938,443.21 : 311,777,940.38 = 126,800,043.75 : x
  2. Step 2: Convert to fraction form
    225,938,443.21/311,777,940.38 = 126,800,043.75/x
  3. Step 3: Cross multiply
    225,938,443.21x = 311,777,940.38 × 126,800,043.75
  4. Step 4: Simplify right side
    225,938,443.21x = 39,533,456,479,834,888
  5. Step 5: Solve for x
    x = 39,533,456,479,834,888/225,938,443.21
  6. Step 6: Final answer
    x = 174,974,457.28

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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.