Home / 79,067,579.04-109,036,604.25-61,657,571.88

Finding the Fourth Proportional to 79,067,579.04, 109,036,604.25 and 61,657,571.88

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Solution

The fourth proportional to 79,067,579.04, 109,036,604.25 and 61,657,571.88 is: 85,027,673.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,067,579.04 : 109,036,604.25 = 61,657,571.88 : x
  2. Step 2: Convert to fraction form
    79,067,579.04/109,036,604.25 = 61,657,571.88/x
  3. Step 3: Cross multiply
    79,067,579.04x = 109,036,604.25 × 61,657,571.88
  4. Step 4: Simplify right side
    79,067,579.04x = 6,722,932,264,095,489
  5. Step 5: Solve for x
    x = 6,722,932,264,095,489/79,067,579.04
  6. Step 6: Final answer
    x = 85,027,673.11

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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.