Home / 55,296,079.80-82,904,798.10-21,204,252.60

Finding the Fourth Proportional to 55,296,079.80, 82,904,798.10 and 21,204,252.60

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Solution

The fourth proportional to 55,296,079.80, 82,904,798.10 and 21,204,252.60 is: 31,791,300.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,296,079.80 : 82,904,798.10 = 21,204,252.60 : x
  2. Step 2: Convert to fraction form
    55,296,079.80/82,904,798.10 = 21,204,252.60/x
  3. Step 3: Cross multiply
    55,296,079.80x = 82,904,798.10 × 21,204,252.60
  4. Step 4: Simplify right side
    55,296,079.80x = 1,757,934,280,664,400
  5. Step 5: Solve for x
    x = 1,757,934,280,664,400/55,296,079.80
  6. Step 6: Final answer
    x = 31,791,300.34

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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.