Home / 120,383,744.27-166,130,543.36-65,379,994.43

Finding the Fourth Proportional to 120,383,744.27, 166,130,543.36 and 65,379,994.43

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Solution

The fourth proportional to 120,383,744.27, 166,130,543.36 and 65,379,994.43 is: 90,224,922.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,383,744.27 : 166,130,543.36 = 65,379,994.43 : x
  2. Step 2: Convert to fraction form
    120,383,744.27/166,130,543.36 = 65,379,994.43/x
  3. Step 3: Cross multiply
    120,383,744.27x = 166,130,543.36 × 65,379,994.43
  4. Step 4: Simplify right side
    120,383,744.27x = 10,861,613,998,862,472
  5. Step 5: Solve for x
    x = 10,861,613,998,862,472/120,383,744.27
  6. Step 6: Final answer
    x = 90,224,922.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.