Home / 263,203,066.72-363,231,584.76-145,728,399.52

Finding the Fourth Proportional to 263,203,066.72, 363,231,584.76 and 145,728,399.52

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Solution

The fourth proportional to 263,203,066.72, 363,231,584.76 and 145,728,399.52 is: 201,111,477.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,203,066.72 : 363,231,584.76 = 145,728,399.52 : x
  2. Step 2: Convert to fraction form
    263,203,066.72/363,231,584.76 = 145,728,399.52/x
  3. Step 3: Cross multiply
    263,203,066.72x = 363,231,584.76 × 145,728,399.52
  4. Step 4: Simplify right side
    263,203,066.72x = 52,933,157,502,188,024
  5. Step 5: Solve for x
    x = 52,933,157,502,188,024/263,203,066.72
  6. Step 6: Final answer
    x = 201,111,477.01

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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.