Home / 115,416,991.55-173,125,831.77-27,978,161.82

Finding the Fourth Proportional to 115,416,991.55, 173,125,831.77 and 27,978,161.82

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Solution

The fourth proportional to 115,416,991.55, 173,125,831.77 and 27,978,161.82 is: 41,967,326.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,416,991.55 : 173,125,831.77 = 27,978,161.82 : x
  2. Step 2: Convert to fraction form
    115,416,991.55/173,125,831.77 = 27,978,161.82/x
  3. Step 3: Cross multiply
    115,416,991.55x = 173,125,831.77 × 27,978,161.82
  4. Step 4: Simplify right side
    115,416,991.55x = 4,843,742,536,483,157
  5. Step 5: Solve for x
    x = 4,843,742,536,483,157/115,416,991.55
  6. Step 6: Final answer
    x = 41,967,326.23

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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.