Home / 42,508,138.05-63,667,728.68-36,839,434.05

Finding the Fourth Proportional to 42,508,138.05, 63,667,728.68 and 36,839,434.05

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Solution

The fourth proportional to 42,508,138.05, 63,667,728.68 and 36,839,434.05 is: 55,177,271.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,508,138.05 : 63,667,728.68 = 36,839,434.05 : x
  2. Step 2: Convert to fraction form
    42,508,138.05/63,667,728.68 = 36,839,434.05/x
  3. Step 3: Cross multiply
    42,508,138.05x = 63,667,728.68 × 36,839,434.05
  4. Step 4: Simplify right side
    42,508,138.05x = 2,345,483,091,635,956
  5. Step 5: Solve for x
    x = 2,345,483,091,635,956/42,508,138.05
  6. Step 6: Final answer
    x = 55,177,271.91

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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.