Home / 81,881,883.41-122,865,332.85-33,395,309.33

Finding the Fourth Proportional to 81,881,883.41, 122,865,332.85 and 33,395,309.33

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Solution

The fourth proportional to 81,881,883.41, 122,865,332.85 and 33,395,309.33 is: 50,110,300.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,881,883.41 : 122,865,332.85 = 33,395,309.33 : x
  2. Step 2: Convert to fraction form
    81,881,883.41/122,865,332.85 = 33,395,309.33/x
  3. Step 3: Cross multiply
    81,881,883.41x = 122,865,332.85 × 33,395,309.33
  4. Step 4: Simplify right side
    81,881,883.41x = 4,103,125,796,766,323.50
  5. Step 5: Solve for x
    x = 4,103,125,796,766,323.50/81,881,883.41
  6. Step 6: Final answer
    x = 50,110,300.66

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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.