Home / 137,981,941.60-206,972,912.40-131,263,477.60

Finding the Fourth Proportional to 137,981,941.60, 206,972,912.40 and 131,263,477.60

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Solution

The fourth proportional to 137,981,941.60, 206,972,912.40 and 131,263,477.60 is: 196,895,216.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,981,941.60 : 206,972,912.40 = 131,263,477.60 : x
  2. Step 2: Convert to fraction form
    137,981,941.60/206,972,912.40 = 131,263,477.60/x
  3. Step 3: Cross multiply
    137,981,941.60x = 206,972,912.40 × 131,263,477.60
  4. Step 4: Simplify right side
    137,981,941.60x = 27,167,984,250,624,160
  5. Step 5: Solve for x
    x = 27,167,984,250,624,160/137,981,941.60
  6. Step 6: Final answer
    x = 196,895,216.40

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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.