Home / 81,560,972.90-122,341,789.20-33,039,744.32

Finding the Fourth Proportional to 81,560,972.90, 122,341,789.20 and 33,039,744.32

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Solution

The fourth proportional to 81,560,972.90, 122,341,789.20 and 33,039,744.32 is: 49,559,750.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,560,972.90 : 122,341,789.20 = 33,039,744.32 : x
  2. Step 2: Convert to fraction form
    81,560,972.90/122,341,789.20 = 33,039,744.32/x
  3. Step 3: Cross multiply
    81,560,972.90x = 122,341,789.20 × 33,039,744.32
  4. Step 4: Simplify right side
    81,560,972.90x = 4,042,141,434,819,337.50
  5. Step 5: Solve for x
    x = 4,042,141,434,819,337.50/81,560,972.90
  6. Step 6: Final answer
    x = 49,559,750.10

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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.