Home / 156,829,745.80-235,244,618.70-105,173,680.60

Finding the Fourth Proportional to 156,829,745.80, 235,244,618.70 and 105,173,680.60

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Solution

The fourth proportional to 156,829,745.80, 235,244,618.70 and 105,173,680.60 is: 157,760,520.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,829,745.80 : 235,244,618.70 = 105,173,680.60 : x
  2. Step 2: Convert to fraction form
    156,829,745.80/235,244,618.70 = 105,173,680.60/x
  3. Step 3: Cross multiply
    156,829,745.80x = 235,244,618.70 × 105,173,680.60
  4. Step 4: Simplify right side
    156,829,745.80x = 24,741,542,390,022,584
  5. Step 5: Solve for x
    x = 24,741,542,390,022,584/156,829,745.80
  6. Step 6: Final answer
    x = 157,760,520.90

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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.