Home / 48,878,906.10-73,359,693.45-20,145,662.70

Finding the Fourth Proportional to 48,878,906.10, 73,359,693.45 and 20,145,662.70

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Solution

The fourth proportional to 48,878,906.10, 73,359,693.45 and 20,145,662.70 is: 30,235,530.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,878,906.10 : 73,359,693.45 = 20,145,662.70 : x
  2. Step 2: Convert to fraction form
    48,878,906.10/73,359,693.45 = 20,145,662.70/x
  3. Step 3: Cross multiply
    48,878,906.10x = 73,359,693.45 × 20,145,662.70
  4. Step 4: Simplify right side
    48,878,906.10x = 1,477,879,640,019,099.25
  5. Step 5: Solve for x
    x = 1,477,879,640,019,099.25/48,878,906.10
  6. Step 6: Final answer
    x = 30,235,530.17

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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.