Home / 72,512,993.93-108,696,763.66-33,678,718.30

Finding the Fourth Proportional to 72,512,993.93, 108,696,763.66 and 33,678,718.30

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Solution

The fourth proportional to 72,512,993.93, 108,696,763.66 and 33,678,718.30 is: 50,484,299.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,512,993.93 : 108,696,763.66 = 33,678,718.30 : x
  2. Step 2: Convert to fraction form
    72,512,993.93/108,696,763.66 = 33,678,718.30/x
  3. Step 3: Cross multiply
    72,512,993.93x = 108,696,763.66 × 33,678,718.30
  4. Step 4: Simplify right side
    72,512,993.93x = 3,660,767,682,714,940
  5. Step 5: Solve for x
    x = 3,660,767,682,714,940/72,512,993.93
  6. Step 6: Final answer
    x = 50,484,299.22

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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.