Home / 72,512,996.44-108,696,767.40-33,678,720.80

Finding the Fourth Proportional to 72,512,996.44, 108,696,767.40 and 33,678,720.80

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Solution

The fourth proportional to 72,512,996.44, 108,696,767.40 and 33,678,720.80 is: 50,484,302.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,512,996.44 : 108,696,767.40 = 33,678,720.80 : x
  2. Step 2: Convert to fraction form
    72,512,996.44/108,696,767.40 = 33,678,720.80/x
  3. Step 3: Cross multiply
    72,512,996.44x = 108,696,767.40 × 33,678,720.80
  4. Step 4: Simplify right side
    72,512,996.44x = 3,660,768,081,127,142
  5. Step 5: Solve for x
    x = 3,660,768,081,127,142/72,512,996.44
  6. Step 6: Final answer
    x = 50,484,302.96

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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.