Home / 51,184,163.78-70,634,151.34-27,979,385.30

Finding the Fourth Proportional to 51,184,163.78, 70,634,151.34 and 27,979,385.30

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Solution

The fourth proportional to 51,184,163.78, 70,634,151.34 and 27,979,385.30 is: 38,611,554.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,184,163.78 : 70,634,151.34 = 27,979,385.30 : x
  2. Step 2: Convert to fraction form
    51,184,163.78/70,634,151.34 = 27,979,385.30/x
  3. Step 3: Cross multiply
    51,184,163.78x = 70,634,151.34 × 27,979,385.30
  4. Step 4: Simplify right side
    51,184,163.78x = 1,976,300,135,680,371.50
  5. Step 5: Solve for x
    x = 1,976,300,135,680,371.50/51,184,163.78
  6. Step 6: Final answer
    x = 38,611,554.62

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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.