Home / 218,109,540.58-300,992,142.27-118,989,987.59

Finding the Fourth Proportional to 218,109,540.58, 300,992,142.27 and 118,989,987.59

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Solution

The fourth proportional to 218,109,540.58, 300,992,142.27 and 118,989,987.59 is: 164,206,715.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,109,540.58 : 300,992,142.27 = 118,989,987.59 : x
  2. Step 2: Convert to fraction form
    218,109,540.58/300,992,142.27 = 118,989,987.59/x
  3. Step 3: Cross multiply
    218,109,540.58x = 300,992,142.27 × 118,989,987.59
  4. Step 4: Simplify right side
    218,109,540.58x = 35,815,051,274,593,508
  5. Step 5: Solve for x
    x = 35,815,051,274,593,508/218,109,540.58
  6. Step 6: Final answer
    x = 164,206,715.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.