Home / 287,029,134.92-430,193,923.17-148,778,523.15

Finding the Fourth Proportional to 287,029,134.92, 430,193,923.17 and 148,778,523.15

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Solution

The fourth proportional to 287,029,134.92, 430,193,923.17 and 148,778,523.15 is: 222,986,480.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,029,134.92 : 430,193,923.17 = 148,778,523.15 : x
  2. Step 2: Convert to fraction form
    287,029,134.92/430,193,923.17 = 148,778,523.15/x
  3. Step 3: Cross multiply
    287,029,134.92x = 430,193,923.17 × 148,778,523.15
  4. Step 4: Simplify right side
    287,029,134.92x = 64,003,616,557,337,168
  5. Step 5: Solve for x
    x = 64,003,616,557,337,168/287,029,134.92
  6. Step 6: Final answer
    x = 222,986,480.36

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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.