Home / 366,981,816.40-550,472,724.60-203,723,141.20

Finding the Fourth Proportional to 366,981,816.40, 550,472,724.60 and 203,723,141.20

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Solution

The fourth proportional to 366,981,816.40, 550,472,724.60 and 203,723,141.20 is: 305,584,711.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,981,816.40 : 550,472,724.60 = 203,723,141.20 : x
  2. Step 2: Convert to fraction form
    366,981,816.40/550,472,724.60 = 203,723,141.20/x
  3. Step 3: Cross multiply
    366,981,816.40x = 550,472,724.60 × 203,723,141.20
  4. Step 4: Simplify right side
    366,981,816.40x = 112,144,032,600,434,512
  5. Step 5: Solve for x
    x = 112,144,032,600,434,512/366,981,816.40
  6. Step 6: Final answer
    x = 305,584,711.80

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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.