Home / 64,942,469.12-89,586,629.12-40,154,732.48

Finding the Fourth Proportional to 64,942,469.12, 89,586,629.12 and 40,154,732.48

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Solution

The fourth proportional to 64,942,469.12, 89,586,629.12 and 40,154,732.48 is: 55,392,521.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,942,469.12 : 89,586,629.12 = 40,154,732.48 : x
  2. Step 2: Convert to fraction form
    64,942,469.12/89,586,629.12 = 40,154,732.48/x
  3. Step 3: Cross multiply
    64,942,469.12x = 89,586,629.12 × 40,154,732.48
  4. Step 4: Simplify right side
    64,942,469.12x = 3,597,327,126,098,577.50
  5. Step 5: Solve for x
    x = 3,597,327,126,098,577.50/64,942,469.12
  6. Step 6: Final answer
    x = 55,392,521.64

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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.