Home / 231,787,012,003.70-347,680,518,005.55-82,895,100,221.30

Finding the Fourth Proportional to 231,787,012,003.70, 347,680,518,005.55 and 82,895,100,221.30

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Solution

The fourth proportional to 231,787,012,003.70, 347,680,518,005.55 and 82,895,100,221.30 is: 124,342,650,331.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,787,012,003.70 : 347,680,518,005.55 = 82,895,100,221.30 : x
  2. Step 2: Convert to fraction form
    231,787,012,003.70/347,680,518,005.55 = 82,895,100,221.30/x
  3. Step 3: Cross multiply
    231,787,012,003.70x = 347,680,518,005.55 × 82,895,100,221.30
  4. Step 4: Simplify right side
    231,787,012,003.70x = 28,821,011,385,063,565,164,544
  5. Step 5: Solve for x
    x = 28,821,011,385,063,565,164,544/231,787,012,003.70
  6. Step 6: Final answer
    x = 124,342,650,331.95

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1.5x scale

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.