Home / 126,728,001.20-190,092,001.80-101,218,833.20

Finding the Fourth Proportional to 126,728,001.20, 190,092,001.80 and 101,218,833.20

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Solution

The fourth proportional to 126,728,001.20, 190,092,001.80 and 101,218,833.20 is: 151,828,249.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,728,001.20 : 190,092,001.80 = 101,218,833.20 : x
  2. Step 2: Convert to fraction form
    126,728,001.20/190,092,001.80 = 101,218,833.20/x
  3. Step 3: Cross multiply
    126,728,001.20x = 190,092,001.80 × 101,218,833.20
  4. Step 4: Simplify right side
    126,728,001.20x = 19,240,890,622,848,300
  5. Step 5: Solve for x
    x = 19,240,890,622,848,300/126,728,001.20
  6. Step 6: Final answer
    x = 151,828,249.80

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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.