Home / 138,240,543.83-190,764,293.93-75,504,150.73

Finding the Fourth Proportional to 138,240,543.83, 190,764,293.93 and 75,504,150.73

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Solution

The fourth proportional to 138,240,543.83, 190,764,293.93 and 75,504,150.73 is: 104,191,546.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,240,543.83 : 190,764,293.93 = 75,504,150.73 : x
  2. Step 2: Convert to fraction form
    138,240,543.83/190,764,293.93 = 75,504,150.73/x
  3. Step 3: Cross multiply
    138,240,543.83x = 190,764,293.93 × 75,504,150.73
  4. Step 4: Simplify right side
    138,240,543.83x = 14,403,496,002,221,456
  5. Step 5: Solve for x
    x = 14,403,496,002,221,456/138,240,543.83
  6. Step 6: Final answer
    x = 104,191,546.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.