Home / 51,793,078.90-77,698,949.55-21,504,003.70

Finding the Fourth Proportional to 51,793,078.90, 77,698,949.55 and 21,504,003.70

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Solution

The fourth proportional to 51,793,078.90, 77,698,949.55 and 21,504,003.70 is: 32,259,879.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,793,078.90 : 77,698,949.55 = 21,504,003.70 : x
  2. Step 2: Convert to fraction form
    51,793,078.90/77,698,949.55 = 21,504,003.70/x
  3. Step 3: Cross multiply
    51,793,078.90x = 77,698,949.55 × 21,504,003.70
  4. Step 4: Simplify right side
    51,793,078.90x = 1,670,838,498,609,313.25
  5. Step 5: Solve for x
    x = 1,670,838,498,609,313.25/51,793,078.90
  6. Step 6: Final answer
    x = 32,259,879.78

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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.