Home / 331,128,632.20-496,692,948.30-112,706,381.20

Finding the Fourth Proportional to 331,128,632.20, 496,692,948.30 and 112,706,381.20

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Solution

The fourth proportional to 331,128,632.20, 496,692,948.30 and 112,706,381.20 is: 169,059,571.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,128,632.20 : 496,692,948.30 = 112,706,381.20 : x
  2. Step 2: Convert to fraction form
    331,128,632.20/496,692,948.30 = 112,706,381.20/x
  3. Step 3: Cross multiply
    331,128,632.20x = 496,692,948.30 × 112,706,381.20
  4. Step 4: Simplify right side
    331,128,632.20x = 55,980,464,770,451,696
  5. Step 5: Solve for x
    x = 55,980,464,770,451,696/331,128,632.20
  6. Step 6: Final answer
    x = 169,059,571.80

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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.