Home / 152,380,926.87-228,576,130.62-72,505,067.55

Finding the Fourth Proportional to 152,380,926.87, 228,576,130.62 and 72,505,067.55

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Solution

The fourth proportional to 152,380,926.87, 228,576,130.62 and 72,505,067.55 is: 108,759,856.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,380,926.87 : 228,576,130.62 = 72,505,067.55 : x
  2. Step 2: Convert to fraction form
    152,380,926.87/228,576,130.62 = 72,505,067.55/x
  3. Step 3: Cross multiply
    152,380,926.87x = 228,576,130.62 × 72,505,067.55
  4. Step 4: Simplify right side
    152,380,926.87x = 16,572,927,790,920,724
  5. Step 5: Solve for x
    x = 16,572,927,790,920,724/152,380,926.87
  6. Step 6: Final answer
    x = 108,759,856.84

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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.