Home / 266,112,190.40-398,869,687.20-151,151,806.40

Finding the Fourth Proportional to 266,112,190.40, 398,869,687.20 and 151,151,806.40

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Solution

The fourth proportional to 266,112,190.40, 398,869,687.20 and 151,151,806.40 is: 226,558,105.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,112,190.40 : 398,869,687.20 = 151,151,806.40 : x
  2. Step 2: Convert to fraction form
    266,112,190.40/398,869,687.20 = 151,151,806.40/x
  3. Step 3: Cross multiply
    266,112,190.40x = 398,869,687.20 × 151,151,806.40
  4. Step 4: Simplify right side
    266,112,190.40x = 60,289,873,738,482,960
  5. Step 5: Solve for x
    x = 60,289,873,738,482,960/266,112,190.40
  6. Step 6: Final answer
    x = 226,558,105.62

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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.