Home / 55,295,991.80-82,904,666.10-21,204,164.60

Finding the Fourth Proportional to 55,295,991.80, 82,904,666.10 and 21,204,164.60

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Solution

The fourth proportional to 55,295,991.80, 82,904,666.10 and 21,204,164.60 is: 31,791,168.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,295,991.80 : 82,904,666.10 = 21,204,164.60 : x
  2. Step 2: Convert to fraction form
    55,295,991.80/82,904,666.10 = 21,204,164.60/x
  3. Step 3: Cross multiply
    55,295,991.80x = 82,904,666.10 × 21,204,164.60
  4. Step 4: Simplify right side
    55,295,991.80x = 1,757,924,186,092,440
  5. Step 5: Solve for x
    x = 1,757,924,186,092,440/55,295,991.80
  6. Step 6: Final answer
    x = 31,791,168.38

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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.