Home / 77,145,192.17-115,729,081.37-36,208,789.48

Finding the Fourth Proportional to 77,145,192.17, 115,729,081.37 and 36,208,789.48

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Solution

The fourth proportional to 77,145,192.17, 115,729,081.37 and 36,208,789.48 is: 54,318,484.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,145,192.17 : 115,729,081.37 = 36,208,789.48 : x
  2. Step 2: Convert to fraction form
    77,145,192.17/115,729,081.37 = 36,208,789.48/x
  3. Step 3: Cross multiply
    77,145,192.17x = 115,729,081.37 × 36,208,789.48
  4. Step 4: Simplify right side
    77,145,192.17x = 4,190,409,944,040,120
  5. Step 5: Solve for x
    x = 4,190,409,944,040,120/77,145,192.17
  6. Step 6: Final answer
    x = 54,318,484.75

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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.