Home / 225,938,447.40-311,777,946.15-126,800,047.94

Finding the Fourth Proportional to 225,938,447.40, 311,777,946.15 and 126,800,047.94

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Solution

The fourth proportional to 225,938,447.40, 311,777,946.15 and 126,800,047.94 is: 174,974,463.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,938,447.40 : 311,777,946.15 = 126,800,047.94 : x
  2. Step 2: Convert to fraction form
    225,938,447.40/311,777,946.15 = 126,800,047.94/x
  3. Step 3: Cross multiply
    225,938,447.40x = 311,777,946.15 × 126,800,047.94
  4. Step 4: Simplify right side
    225,938,447.40x = 39,533,458,518,454,736
  5. Step 5: Solve for x
    x = 39,533,458,518,454,736/225,938,447.40
  6. Step 6: Final answer
    x = 174,974,463.06

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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.