Home / 263,387,089.89-363,496,504.57-145,949,257.71

Finding the Fourth Proportional to 263,387,089.89, 363,496,504.57 and 145,949,257.71

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Solution

The fourth proportional to 263,387,089.89, 363,496,504.57 and 145,949,257.71 is: 201,422,343.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,387,089.89 : 363,496,504.57 = 145,949,257.71 : x
  2. Step 2: Convert to fraction form
    263,387,089.89/363,496,504.57 = 145,949,257.71/x
  3. Step 3: Cross multiply
    263,387,089.89x = 363,496,504.57 × 145,949,257.71
  4. Step 4: Simplify right side
    263,387,089.89x = 53,052,045,022,171,128
  5. Step 5: Solve for x
    x = 53,052,045,022,171,128/263,387,089.89
  6. Step 6: Final answer
    x = 201,422,343.99

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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.