Home / 242,393,042.40-363,589,563.60-165,865,538.40

Finding the Fourth Proportional to 242,393,042.40, 363,589,563.60 and 165,865,538.40

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Solution

The fourth proportional to 242,393,042.40, 363,589,563.60 and 165,865,538.40 is: 248,798,307.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,393,042.40 : 363,589,563.60 = 165,865,538.40 : x
  2. Step 2: Convert to fraction form
    242,393,042.40/363,589,563.60 = 165,865,538.40/x
  3. Step 3: Cross multiply
    242,393,042.40x = 363,589,563.60 × 165,865,538.40
  4. Step 4: Simplify right side
    242,393,042.40x = 60,306,978,723,135,048
  5. Step 5: Solve for x
    x = 60,306,978,723,135,048/242,393,042.40
  6. Step 6: Final answer
    x = 248,798,307.60

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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.