Home / 111,997,208.18-168,056,042.46-107,920,686.66

Finding the Fourth Proportional to 111,997,208.18, 168,056,042.46 and 107,920,686.66

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Solution

The fourth proportional to 111,997,208.18, 168,056,042.46 and 107,920,686.66 is: 161,939,067.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,997,208.18 : 168,056,042.46 = 107,920,686.66 : x
  2. Step 2: Convert to fraction form
    111,997,208.18/168,056,042.46 = 107,920,686.66/x
  3. Step 3: Cross multiply
    111,997,208.18x = 168,056,042.46 × 107,920,686.66
  4. Step 4: Simplify right side
    111,997,208.18x = 18,136,723,498,610,404
  5. Step 5: Solve for x
    x = 18,136,723,498,610,404/111,997,208.18
  6. Step 6: Final answer
    x = 161,939,067.88

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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.