Home / 188,132,821.07-259,564,720.54-108,718,951.20

Finding the Fourth Proportional to 188,132,821.07, 259,564,720.54 and 108,718,951.20

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Solution

The fourth proportional to 188,132,821.07, 259,564,720.54 and 108,718,951.20 is: 149,998,304.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,132,821.07 : 259,564,720.54 = 108,718,951.20 : x
  2. Step 2: Convert to fraction form
    188,132,821.07/259,564,720.54 = 108,718,951.20/x
  3. Step 3: Cross multiply
    188,132,821.07x = 259,564,720.54 × 108,718,951.20
  4. Step 4: Simplify right side
    188,132,821.07x = 28,219,604,186,331,468
  5. Step 5: Solve for x
    x = 28,219,604,186,331,468/188,132,821.07
  6. Step 6: Final answer
    x = 149,998,304.53

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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.