Home / 149,365,940,607.06-206,125,619,066.19-80,777,353,720.65

Finding the Fourth Proportional to 149,365,940,607.06, 206,125,619,066.19 and 80,777,353,720.65

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Solution

The fourth proportional to 149,365,940,607.06, 206,125,619,066.19 and 80,777,353,720.65 is: 111,473,083,987.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,365,940,607.06 : 206,125,619,066.19 = 80,777,353,720.65 : x
  2. Step 2: Convert to fraction form
    149,365,940,607.06/206,125,619,066.19 = 80,777,353,720.65/x
  3. Step 3: Cross multiply
    149,365,940,607.06x = 206,125,619,066.19 × 80,777,353,720.65
  4. Step 4: Simplify right side
    149,365,940,607.06x = 16,650,282,042,197,587,001,344
  5. Step 5: Solve for x
    x = 16,650,282,042,197,587,001,344/149,365,940,607.06
  6. Step 6: Final answer
    x = 111,473,083,987.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.