Home / 70,049,942.78-104,983,773.30-28,502,399.74

Finding the Fourth Proportional to 70,049,942.78, 104,983,773.30 and 28,502,399.74

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Solution

The fourth proportional to 70,049,942.78, 104,983,773.30 and 28,502,399.74 is: 42,716,515.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,049,942.78 : 104,983,773.30 = 28,502,399.74 : x
  2. Step 2: Convert to fraction form
    70,049,942.78/104,983,773.30 = 28,502,399.74/x
  3. Step 3: Cross multiply
    70,049,942.78x = 104,983,773.30 × 28,502,399.74
  4. Step 4: Simplify right side
    70,049,942.78x = 2,992,289,472,810,138.50
  5. Step 5: Solve for x
    x = 2,992,289,472,810,138.50/70,049,942.78
  6. Step 6: Final answer
    x = 42,716,515.59

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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.