Home / 252,890,590.80-379,619,321.40-195,636,680.40

Finding the Fourth Proportional to 252,890,590.80, 379,619,321.40 and 195,636,680.40

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Solution

The fourth proportional to 252,890,590.80, 379,619,321.40 and 195,636,680.40 is: 293,674,286.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,890,590.80 : 379,619,321.40 = 195,636,680.40 : x
  2. Step 2: Convert to fraction form
    252,890,590.80/379,619,321.40 = 195,636,680.40/x
  3. Step 3: Cross multiply
    252,890,590.80x = 379,619,321.40 × 195,636,680.40
  4. Step 4: Simplify right side
    252,890,590.80x = 74,267,463,854,396,672
  5. Step 5: Solve for x
    x = 74,267,463,854,396,672/252,890,590.80
  6. Step 6: Final answer
    x = 293,674,286.65

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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.