Home / 72,512,993.18-108,696,762.53-33,678,717.54

Finding the Fourth Proportional to 72,512,993.18, 108,696,762.53 and 33,678,717.54

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Solution

The fourth proportional to 72,512,993.18, 108,696,762.53 and 33,678,717.54 is: 50,484,298.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,512,993.18 : 108,696,762.53 = 33,678,717.54 : x
  2. Step 2: Convert to fraction form
    72,512,993.18/108,696,762.53 = 33,678,717.54/x
  3. Step 3: Cross multiply
    72,512,993.18x = 108,696,762.53 × 33,678,717.54
  4. Step 4: Simplify right side
    72,512,993.18x = 3,660,767,563,116,264
  5. Step 5: Solve for x
    x = 3,660,767,563,116,264/72,512,993.18
  6. Step 6: Final answer
    x = 50,484,298.09

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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.