Home / 103,428,727.68-155,188,791.36-54,232,832.64

Finding the Fourth Proportional to 103,428,727.68, 155,188,791.36 and 54,232,832.64

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Solution

The fourth proportional to 103,428,727.68, 155,188,791.36 and 54,232,832.64 is: 81,373,211.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,428,727.68 : 155,188,791.36 = 54,232,832.64 : x
  2. Step 2: Convert to fraction form
    103,428,727.68/155,188,791.36 = 54,232,832.64/x
  3. Step 3: Cross multiply
    103,428,727.68x = 155,188,791.36 × 54,232,832.64
  4. Step 4: Simplify right side
    103,428,727.68x = 8,416,327,749,430,759
  5. Step 5: Solve for x
    x = 8,416,327,749,430,759/103,428,727.68
  6. Step 6: Final answer
    x = 81,373,211.66

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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.