Home / 104,313,861.83-156,573,772.90-78,315,738.95

Finding the Fourth Proportional to 104,313,861.83, 156,573,772.90 and 78,315,738.95

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Solution

The fourth proportional to 104,313,861.83, 156,573,772.90 and 78,315,738.95 is: 117,550,922.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,313,861.83 : 156,573,772.90 = 78,315,738.95 : x
  2. Step 2: Convert to fraction form
    104,313,861.83/156,573,772.90 = 78,315,738.95/x
  3. Step 3: Cross multiply
    104,313,861.83x = 156,573,772.90 × 78,315,738.95
  4. Step 4: Simplify right side
    104,313,861.83x = 12,262,190,723,874,326
  5. Step 5: Solve for x
    x = 12,262,190,723,874,326/104,313,861.83
  6. Step 6: Final answer
    x = 117,550,922.85

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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.