Home / 126,824,544.72-175,022,180.06-121,013,237.39

Finding the Fourth Proportional to 126,824,544.72, 175,022,180.06 and 121,013,237.39

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Solution

The fourth proportional to 126,824,544.72, 175,022,180.06 and 121,013,237.39 is: 167,002,378.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,824,544.72 : 175,022,180.06 = 121,013,237.39 : x
  2. Step 2: Convert to fraction form
    126,824,544.72/175,022,180.06 = 121,013,237.39/x
  3. Step 3: Cross multiply
    126,824,544.72x = 175,022,180.06 × 121,013,237.39
  4. Step 4: Simplify right side
    126,824,544.72x = 21,180,000,622,635,928
  5. Step 5: Solve for x
    x = 21,180,000,622,635,928/126,824,544.72
  6. Step 6: Final answer
    x = 167,002,378.52

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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.