Home / 286,763,286.80-430,144,930.20-95,287,062.80

Finding the Fourth Proportional to 286,763,286.80, 430,144,930.20 and 95,287,062.80

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Solution

The fourth proportional to 286,763,286.80, 430,144,930.20 and 95,287,062.80 is: 142,930,594.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,763,286.80 : 430,144,930.20 = 95,287,062.80 : x
  2. Step 2: Convert to fraction form
    286,763,286.80/430,144,930.20 = 95,287,062.80/x
  3. Step 3: Cross multiply
    286,763,286.80x = 430,144,930.20 × 95,287,062.80
  4. Step 4: Simplify right side
    286,763,286.80x = 40,987,246,977,069,016
  5. Step 5: Solve for x
    x = 40,987,246,977,069,016/286,763,286.80
  6. Step 6: Final answer
    x = 142,930,594.20

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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.