Home / 47,279,927.78-65,243,488.44-27,432,155.56

Finding the Fourth Proportional to 47,279,927.78, 65,243,488.44 and 27,432,155.56

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Solution

The fourth proportional to 47,279,927.78, 65,243,488.44 and 27,432,155.56 is: 37,854,743.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,279,927.78 : 65,243,488.44 = 27,432,155.56 : x
  2. Step 2: Convert to fraction form
    47,279,927.78/65,243,488.44 = 27,432,155.56/x
  3. Step 3: Cross multiply
    47,279,927.78x = 65,243,488.44 × 27,432,155.56
  4. Step 4: Simplify right side
    47,279,927.78x = 1,789,769,524,163,141.50
  5. Step 5: Solve for x
    x = 1,789,769,524,163,141.50/47,279,927.78
  6. Step 6: Final answer
    x = 37,854,743.19

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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.