Home / 48,478,910.40-72,718,365.60-30,339,057.60

Finding the Fourth Proportional to 48,478,910.40, 72,718,365.60 and 30,339,057.60

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Solution

The fourth proportional to 48,478,910.40, 72,718,365.60 and 30,339,057.60 is: 45,508,586.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,478,910.40 : 72,718,365.60 = 30,339,057.60 : x
  2. Step 2: Convert to fraction form
    48,478,910.40/72,718,365.60 = 30,339,057.60/x
  3. Step 3: Cross multiply
    48,478,910.40x = 72,718,365.60 × 30,339,057.60
  4. Step 4: Simplify right side
    48,478,910.40x = 2,206,206,682,516,258.50
  5. Step 5: Solve for x
    x = 2,206,206,682,516,258.50/48,478,910.40
  6. Step 6: Final answer
    x = 45,508,586.40

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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.