Home / 252,377,830.40-378,566,745.60-161,678,566.40

Finding the Fourth Proportional to 252,377,830.40, 378,566,745.60 and 161,678,566.40

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Solution

The fourth proportional to 252,377,830.40, 378,566,745.60 and 161,678,566.40 is: 242,517,849.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,377,830.40 : 378,566,745.60 = 161,678,566.40 : x
  2. Step 2: Convert to fraction form
    252,377,830.40/378,566,745.60 = 161,678,566.40/x
  3. Step 3: Cross multiply
    252,377,830.40x = 378,566,745.60 × 161,678,566.40
  4. Step 4: Simplify right side
    252,377,830.40x = 61,206,128,715,321,512
  5. Step 5: Solve for x
    x = 61,206,128,715,321,512/252,377,830.40
  6. Step 6: Final answer
    x = 242,517,849.60

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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.