Home / 43,105,728.72-64,667,110.85-15,812,274.90

Finding the Fourth Proportional to 43,105,728.72, 64,667,110.85 and 15,812,274.90

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Solution

The fourth proportional to 43,105,728.72, 64,667,110.85 and 15,812,274.90 is: 23,721,536.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,105,728.72 : 64,667,110.85 = 15,812,274.90 : x
  2. Step 2: Convert to fraction form
    43,105,728.72/64,667,110.85 = 15,812,274.90/x
  3. Step 3: Cross multiply
    43,105,728.72x = 64,667,110.85 × 15,812,274.90
  4. Step 4: Simplify right side
    43,105,728.72x = 1,022,534,133,669,911.25
  5. Step 5: Solve for x
    x = 1,022,534,133,669,911.25/43,105,728.72
  6. Step 6: Final answer
    x = 23,721,536.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.