Home / 126,400,867.40-189,743,018.70-97,773,912.20

Finding the Fourth Proportional to 126,400,867.40, 189,743,018.70 and 97,773,912.20

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Solution

The fourth proportional to 126,400,867.40, 189,743,018.70 and 97,773,912.20 is: 146,770,490.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,400,867.40 : 189,743,018.70 = 97,773,912.20 : x
  2. Step 2: Convert to fraction form
    126,400,867.40/189,743,018.70 = 97,773,912.20/x
  3. Step 3: Cross multiply
    126,400,867.40x = 189,743,018.70 × 97,773,912.20
  4. Step 4: Simplify right side
    126,400,867.40x = 18,551,917,250,936,756
  5. Step 5: Solve for x
    x = 18,551,917,250,936,756/126,400,867.40
  6. Step 6: Final answer
    x = 146,770,490.05

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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.