Home / 218,451,173.40-327,674,515.80-126,276,261.06

Finding the Fourth Proportional to 218,451,173.40, 327,674,515.80 and 126,276,261.06

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Solution

The fourth proportional to 218,451,173.40, 327,674,515.80 and 126,276,261.06 is: 189,413,094.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,451,173.40 : 327,674,515.80 = 126,276,261.06 : x
  2. Step 2: Convert to fraction form
    218,451,173.40/327,674,515.80 = 126,276,261.06/x
  3. Step 3: Cross multiply
    218,451,173.40x = 327,674,515.80 × 126,276,261.06
  4. Step 4: Simplify right side
    218,451,173.40x = 41,377,512,699,869,896
  5. Step 5: Solve for x
    x = 41,377,512,699,869,896/218,451,173.40
  6. Step 6: Final answer
    x = 189,413,094.27

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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.