Home / 79,949,145.14-119,923,702.58-43,588,112.30

Finding the Fourth Proportional to 79,949,145.14, 119,923,702.58 and 43,588,112.30

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Solution

The fourth proportional to 79,949,145.14, 119,923,702.58 and 43,588,112.30 is: 65,382,160.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,949,145.14 : 119,923,702.58 = 43,588,112.30 : x
  2. Step 2: Convert to fraction form
    79,949,145.14/119,923,702.58 = 43,588,112.30/x
  3. Step 3: Cross multiply
    79,949,145.14x = 119,923,702.58 × 43,588,112.30
  4. Step 4: Simplify right side
    79,949,145.14x = 5,227,247,815,488,839
  5. Step 5: Solve for x
    x = 5,227,247,815,488,839/79,949,145.14
  6. Step 6: Final answer
    x = 65,382,160.20

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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.