Home / 126,066,455.20-188,959,714.80-49,363,991.20

Finding the Fourth Proportional to 126,066,455.20, 188,959,714.80 and 49,363,991.20

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Solution

The fourth proportional to 126,066,455.20, 188,959,714.80 and 49,363,991.20 is: 73,991,179.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,066,455.20 : 188,959,714.80 = 49,363,991.20 : x
  2. Step 2: Convert to fraction form
    126,066,455.20/188,959,714.80 = 49,363,991.20/x
  3. Step 3: Cross multiply
    126,066,455.20x = 188,959,714.80 × 49,363,991.20
  4. Step 4: Simplify right side
    126,066,455.20x = 9,327,805,698,541,710
  5. Step 5: Solve for x
    x = 9,327,805,698,541,710/126,066,455.20
  6. Step 6: Final answer
    x = 73,991,179.36

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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.