Home / 72,512,993.43-108,696,762.91-33,678,717.79

Finding the Fourth Proportional to 72,512,993.43, 108,696,762.91 and 33,678,717.79

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Solution

The fourth proportional to 72,512,993.43, 108,696,762.91 and 33,678,717.79 is: 50,484,298.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,512,993.43 : 108,696,762.91 = 33,678,717.79 : x
  2. Step 2: Convert to fraction form
    72,512,993.43/108,696,762.91 = 33,678,717.79/x
  3. Step 3: Cross multiply
    72,512,993.43x = 108,696,762.91 × 33,678,717.79
  4. Step 4: Simplify right side
    72,512,993.43x = 3,660,767,602,919,974
  5. Step 5: Solve for x
    x = 3,660,767,602,919,974/72,512,993.43
  6. Step 6: Final answer
    x = 50,484,298.47

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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.