Home / 47,159,819.82-70,739,729.73-13,081,165.69

Finding the Fourth Proportional to 47,159,819.82, 70,739,729.73 and 13,081,165.69

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Solution

The fourth proportional to 47,159,819.82, 70,739,729.73 and 13,081,165.69 is: 19,621,748.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,159,819.82 : 70,739,729.73 = 13,081,165.69 : x
  2. Step 2: Convert to fraction form
    47,159,819.82/70,739,729.73 = 13,081,165.69/x
  3. Step 3: Cross multiply
    47,159,819.82x = 70,739,729.73 × 13,081,165.69
  4. Step 4: Simplify right side
    47,159,819.82x = 925,358,125,463,949
  5. Step 5: Solve for x
    x = 925,358,125,463,949/47,159,819.82
  6. Step 6: Final answer
    x = 19,621,748.54

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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.