Home / 179,179,851.70-247,136,168.91-135,128,704.78

Finding the Fourth Proportional to 179,179,851.70, 247,136,168.91 and 135,128,704.78

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Solution

The fourth proportional to 179,179,851.70, 247,136,168.91 and 135,128,704.78 is: 186,378,044.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,179,851.70 : 247,136,168.91 = 135,128,704.78 : x
  2. Step 2: Convert to fraction form
    179,179,851.70/247,136,168.91 = 135,128,704.78/x
  3. Step 3: Cross multiply
    179,179,851.70x = 247,136,168.91 × 135,128,704.78
  4. Step 4: Simplify right side
    179,179,851.70x = 33,395,190,409,099,604
  5. Step 5: Solve for x
    x = 33,395,190,409,099,604/179,179,851.70
  6. Step 6: Final answer
    x = 186,378,044.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.