Home / 188,943,055,654.87-283,616,269,435.72-81,430,384,734.55

Finding the Fourth Proportional to 188,943,055,654.87, 283,616,269,435.72 and 81,430,384,734.55

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Solution

The fourth proportional to 188,943,055,654.87, 283,616,269,435.72 and 81,430,384,734.55 is: 122,232,499,400.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,943,055,654.87 : 283,616,269,435.72 = 81,430,384,734.55 : x
  2. Step 2: Convert to fraction form
    188,943,055,654.87/283,616,269,435.72 = 81,430,384,734.55/x
  3. Step 3: Cross multiply
    188,943,055,654.87x = 283,616,269,435.72 × 81,430,384,734.55
  4. Step 4: Simplify right side
    188,943,055,654.87x = 23,094,981,937,128,473,100,288
  5. Step 5: Solve for x
    x = 23,094,981,937,128,473,100,288/188,943,055,654.87
  6. Step 6: Final answer
    x = 122,232,499,400.85

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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.