Home / 259,815,113.76-358,544,732.88-155,393,183.04

Finding the Fourth Proportional to 259,815,113.76, 358,544,732.88 and 155,393,183.04

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Solution

The fourth proportional to 259,815,113.76, 358,544,732.88 and 155,393,183.04 is: 214,442,518.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,815,113.76 : 358,544,732.88 = 155,393,183.04 : x
  2. Step 2: Convert to fraction form
    259,815,113.76/358,544,732.88 = 155,393,183.04/x
  3. Step 3: Cross multiply
    259,815,113.76x = 358,544,732.88 × 155,393,183.04
  4. Step 4: Simplify right side
    259,815,113.76x = 55,715,407,304,449,744
  5. Step 5: Solve for x
    x = 55,715,407,304,449,744/259,815,113.76
  6. Step 6: Final answer
    x = 214,442,518.37

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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.