Home / 263,203,073.72-363,231,594.42-145,728,406.52

Finding the Fourth Proportional to 263,203,073.72, 363,231,594.42 and 145,728,406.52

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Solution

The fourth proportional to 263,203,073.72, 363,231,594.42 and 145,728,406.52 is: 201,111,486.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,203,073.72 : 363,231,594.42 = 145,728,406.52 : x
  2. Step 2: Convert to fraction form
    263,203,073.72/363,231,594.42 = 145,728,406.52/x
  3. Step 3: Cross multiply
    263,203,073.72x = 363,231,594.42 × 145,728,406.52
  4. Step 4: Simplify right side
    263,203,073.72x = 52,933,161,452,545,528
  5. Step 5: Solve for x
    x = 52,933,161,452,545,528/263,203,073.72
  6. Step 6: Final answer
    x = 201,111,486.67

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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.