Home / 71,115,350.40-106,673,025.60-48,157,099.20

Finding the Fourth Proportional to 71,115,350.40, 106,673,025.60 and 48,157,099.20

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Solution

The fourth proportional to 71,115,350.40, 106,673,025.60 and 48,157,099.20 is: 72,235,648.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,115,350.40 : 106,673,025.60 = 48,157,099.20 : x
  2. Step 2: Convert to fraction form
    71,115,350.40/106,673,025.60 = 48,157,099.20/x
  3. Step 3: Cross multiply
    71,115,350.40x = 106,673,025.60 × 48,157,099.20
  4. Step 4: Simplify right side
    71,115,350.40x = 5,137,063,475,783,340
  5. Step 5: Solve for x
    x = 5,137,063,475,783,340/71,115,350.40
  6. Step 6: Final answer
    x = 72,235,648.80

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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.