Home / 51,786,520.80-77,679,781.20-17,704,831.20

Finding the Fourth Proportional to 51,786,520.80, 77,679,781.20 and 17,704,831.20

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Solution

The fourth proportional to 51,786,520.80, 77,679,781.20 and 17,704,831.20 is: 26,557,246.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,786,520.80 : 77,679,781.20 = 17,704,831.20 : x
  2. Step 2: Convert to fraction form
    51,786,520.80/77,679,781.20 = 17,704,831.20/x
  3. Step 3: Cross multiply
    51,786,520.80x = 77,679,781.20 × 17,704,831.20
  4. Step 4: Simplify right side
    51,786,520.80x = 1,375,307,413,798,933.50
  5. Step 5: Solve for x
    x = 1,375,307,413,798,933.50/51,786,520.80
  6. Step 6: Final answer
    x = 26,557,246.80

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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.