Home / 81,881,883.42-122,865,332.85-33,395,309.34

Finding the Fourth Proportional to 81,881,883.42, 122,865,332.85 and 33,395,309.34

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Solution

The fourth proportional to 81,881,883.42, 122,865,332.85 and 33,395,309.34 is: 50,110,300.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,881,883.42 : 122,865,332.85 = 33,395,309.34 : x
  2. Step 2: Convert to fraction form
    81,881,883.42/122,865,332.85 = 33,395,309.34/x
  3. Step 3: Cross multiply
    81,881,883.42x = 122,865,332.85 × 33,395,309.34
  4. Step 4: Simplify right side
    81,881,883.42x = 4,103,125,797,687,813.50
  5. Step 5: Solve for x
    x = 4,103,125,797,687,813.50/81,881,883.42
  6. Step 6: Final answer
    x = 50,110,300.67

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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.