Home / 77,168,118.75-115,727,790.03-25,344,183.07

Finding the Fourth Proportional to 77,168,118.75, 115,727,790.03 and 25,344,183.07

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Solution

The fourth proportional to 77,168,118.75, 115,727,790.03 and 25,344,183.07 is: 38,008,264.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,168,118.75 : 115,727,790.03 = 25,344,183.07 : x
  2. Step 2: Convert to fraction form
    77,168,118.75/115,727,790.03 = 25,344,183.07/x
  3. Step 3: Cross multiply
    77,168,118.75x = 115,727,790.03 × 25,344,183.07
  4. Step 4: Simplify right side
    77,168,118.75x = 2,933,026,296,806,841
  5. Step 5: Solve for x
    x = 2,933,026,296,806,841/77,168,118.75
  6. Step 6: Final answer
    x = 38,008,264.87

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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.