Home / 250,419,136.51-375,628,716.45-171,557,879.94

Finding the Fourth Proportional to 250,419,136.51, 375,628,716.45 and 171,557,879.94

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Solution

The fourth proportional to 250,419,136.51, 375,628,716.45 and 171,557,879.94 is: 257,336,827.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,419,136.51 : 375,628,716.45 = 171,557,879.94 : x
  2. Step 2: Convert to fraction form
    250,419,136.51/375,628,716.45 = 171,557,879.94/x
  3. Step 3: Cross multiply
    250,419,136.51x = 375,628,716.45 × 171,557,879.94
  4. Step 4: Simplify right side
    250,419,136.51x = 64,442,066,238,745,400
  5. Step 5: Solve for x
    x = 64,442,066,238,745,400/250,419,136.51
  6. Step 6: Final answer
    x = 257,336,827.92

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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.