Home / 79,418,298.40-109,563,255.21-49,597,174.42

Finding the Fourth Proportional to 79,418,298.40, 109,563,255.21 and 49,597,174.42

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Solution

The fourth proportional to 79,418,298.40, 109,563,255.21 and 49,597,174.42 is: 68,422,869.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,418,298.40 : 109,563,255.21 = 49,597,174.42 : x
  2. Step 2: Convert to fraction form
    79,418,298.40/109,563,255.21 = 49,597,174.42/x
  3. Step 3: Cross multiply
    79,418,298.40x = 109,563,255.21 × 49,597,174.42
  4. Step 4: Simplify right side
    79,418,298.40x = 5,434,027,878,624,308
  5. Step 5: Solve for x
    x = 5,434,027,878,624,308/79,418,298.40
  6. Step 6: Final answer
    x = 68,422,869.64

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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.