Home / 76,416,211.40-114,624,317.10-49,206,432.20

Finding the Fourth Proportional to 76,416,211.40, 114,624,317.10 and 49,206,432.20

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Solution

The fourth proportional to 76,416,211.40, 114,624,317.10 and 49,206,432.20 is: 73,809,648.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,416,211.40 : 114,624,317.10 = 49,206,432.20 : x
  2. Step 2: Convert to fraction form
    76,416,211.40/114,624,317.10 = 49,206,432.20/x
  3. Step 3: Cross multiply
    76,416,211.40x = 114,624,317.10 × 49,206,432.20
  4. Step 4: Simplify right side
    76,416,211.40x = 5,640,253,687,852,451
  5. Step 5: Solve for x
    x = 5,640,253,687,852,451/76,416,211.40
  6. Step 6: Final answer
    x = 73,809,648.30

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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.