Home / 115,343,786.69-173,016,128.90-27,905,163.36

Finding the Fourth Proportional to 115,343,786.69, 173,016,128.90 and 27,905,163.36

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Solution

The fourth proportional to 115,343,786.69, 173,016,128.90 and 27,905,163.36 is: 41,857,853.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,343,786.69 : 173,016,128.90 = 27,905,163.36 : x
  2. Step 2: Convert to fraction form
    115,343,786.69/173,016,128.90 = 27,905,163.36/x
  3. Step 3: Cross multiply
    115,343,786.69x = 173,016,128.90 × 27,905,163.36
  4. Step 4: Simplify right side
    115,343,786.69x = 4,828,043,340,729,791
  5. Step 5: Solve for x
    x = 4,828,043,340,729,791/115,343,786.69
  6. Step 6: Final answer
    x = 41,857,853.63

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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.