Home / 79,067,586.42-109,036,614.46-61,657,579.26

Finding the Fourth Proportional to 79,067,586.42, 109,036,614.46 and 61,657,579.26

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Solution

The fourth proportional to 79,067,586.42, 109,036,614.46 and 61,657,579.26 is: 85,027,683.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,067,586.42 : 109,036,614.46 = 61,657,579.26 : x
  2. Step 2: Convert to fraction form
    79,067,586.42/109,036,614.46 = 61,657,579.26/x
  3. Step 3: Cross multiply
    79,067,586.42x = 109,036,614.46 × 61,657,579.26
  4. Step 4: Simplify right side
    79,067,586.42x = 6,722,933,698,309,511
  5. Step 5: Solve for x
    x = 6,722,933,698,309,511/79,067,586.42
  6. Step 6: Final answer
    x = 85,027,683.31

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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.