Home / 81,857,984.65-122,801,162.10-33,362,221.93

Finding the Fourth Proportional to 81,857,984.65, 122,801,162.10 and 33,362,221.93

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Solution

The fourth proportional to 81,857,984.65, 122,801,162.10 and 33,362,221.93 is: 50,049,114.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,857,984.65 : 122,801,162.10 = 33,362,221.93 : x
  2. Step 2: Convert to fraction form
    81,857,984.65/122,801,162.10 = 33,362,221.93/x
  3. Step 3: Cross multiply
    81,857,984.65x = 122,801,162.10 × 33,362,221.93
  4. Step 4: Simplify right side
    81,857,984.65x = 4,096,919,623,242,104.50
  5. Step 5: Solve for x
    x = 4,096,919,623,242,104.50/81,857,984.65
  6. Step 6: Final answer
    x = 50,049,114.22

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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.