Home / 133,123,790.70-199,591,207.65-51,211,017.90

Finding the Fourth Proportional to 133,123,790.70, 199,591,207.65 and 51,211,017.90

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Solution

The fourth proportional to 133,123,790.70, 199,591,207.65 and 51,211,017.90 is: 76,780,182.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,123,790.70 : 199,591,207.65 = 51,211,017.90 : x
  2. Step 2: Convert to fraction form
    133,123,790.70/199,591,207.65 = 51,211,017.90/x
  3. Step 3: Cross multiply
    133,123,790.70x = 199,591,207.65 × 51,211,017.90
  4. Step 4: Simplify right side
    133,123,790.70x = 10,221,268,907,646,766
  5. Step 5: Solve for x
    x = 10,221,268,907,646,766/133,123,790.70
  6. Step 6: Final answer
    x = 76,780,182.22

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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.