Home / 72,035,552.12-108,056,318.16-20,917,571

Finding the Fourth Proportional to 72,035,552.12, 108,056,318.16 and 20,917,571

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Solution

The fourth proportional to 72,035,552.12, 108,056,318.16 and 20,917,571 is: 31,377,224.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,035,552.12 : 108,056,318.16 = 20,917,571 : x
  2. Step 2: Convert to fraction form
    72,035,552.12/108,056,318.16 = 20,917,571/x
  3. Step 3: Cross multiply
    72,035,552.12x = 108,056,318.16 × 20,917,571
  4. Step 4: Simplify right side
    72,035,552.12x = 2,260,275,707,110,389.50
  5. Step 5: Solve for x
    x = 2,260,275,707,110,389.50/72,035,552.12
  6. Step 6: Final answer
    x = 31,377,224.73

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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.