Home / 51,900,488.25-77,850,808.13-21,195,067.98

Finding the Fourth Proportional to 51,900,488.25, 77,850,808.13 and 21,195,067.98

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Solution

The fourth proportional to 51,900,488.25, 77,850,808.13 and 21,195,067.98 is: 31,792,632.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,900,488.25 : 77,850,808.13 = 21,195,067.98 : x
  2. Step 2: Convert to fraction form
    51,900,488.25/77,850,808.13 = 21,195,067.98/x
  3. Step 3: Cross multiply
    51,900,488.25x = 77,850,808.13 × 21,195,067.98
  4. Step 4: Simplify right side
    51,900,488.25x = 1,650,053,170,507,311.25
  5. Step 5: Solve for x
    x = 1,650,053,170,507,311.25/51,900,488.25
  6. Step 6: Final answer
    x = 31,792,632.90

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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.