Home / 81,560,971.90-122,341,787.70-33,039,743.32

Finding the Fourth Proportional to 81,560,971.90, 122,341,787.70 and 33,039,743.32

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Solution

The fourth proportional to 81,560,971.90, 122,341,787.70 and 33,039,743.32 is: 49,559,748.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,560,971.90 : 122,341,787.70 = 33,039,743.32 : x
  2. Step 2: Convert to fraction form
    81,560,971.90/122,341,787.70 = 33,039,743.32/x
  3. Step 3: Cross multiply
    81,560,971.90x = 122,341,787.70 × 33,039,743.32
  4. Step 4: Simplify right side
    81,560,971.90x = 4,042,141,262,917,933.50
  5. Step 5: Solve for x
    x = 4,042,141,262,917,933.50/81,560,971.90
  6. Step 6: Final answer
    x = 49,559,748.60

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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.