Home / 315,987,712.80-473,981,569.20-162,932,704.80

Finding the Fourth Proportional to 315,987,712.80, 473,981,569.20 and 162,932,704.80

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Solution

The fourth proportional to 315,987,712.80, 473,981,569.20 and 162,932,704.80 is: 244,399,057.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,987,712.80 : 473,981,569.20 = 162,932,704.80 : x
  2. Step 2: Convert to fraction form
    315,987,712.80/473,981,569.20 = 162,932,704.80/x
  3. Step 3: Cross multiply
    315,987,712.80x = 473,981,569.20 × 162,932,704.80
  4. Step 4: Simplify right side
    315,987,712.80x = 77,227,099,095,104,368
  5. Step 5: Solve for x
    x = 77,227,099,095,104,368/315,987,712.80
  6. Step 6: Final answer
    x = 244,399,057.20

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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.