Home / 79,990,637.28-110,387,219.04-43,321,208.28

Finding the Fourth Proportional to 79,990,637.28, 110,387,219.04 and 43,321,208.28

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Solution

The fourth proportional to 79,990,637.28, 110,387,219.04 and 43,321,208.28 is: 59,783,343.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,990,637.28 : 110,387,219.04 = 43,321,208.28 : x
  2. Step 2: Convert to fraction form
    79,990,637.28/110,387,219.04 = 43,321,208.28/x
  3. Step 3: Cross multiply
    79,990,637.28x = 110,387,219.04 × 43,321,208.28
  4. Step 4: Simplify right side
    79,990,637.28x = 4,782,107,707,481,822
  5. Step 5: Solve for x
    x = 4,782,107,707,481,822/79,990,637.28
  6. Step 6: Final answer
    x = 59,783,343.03

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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.