Home / 126,398,112.49-189,597,168.78-35,521,701.49

Finding the Fourth Proportional to 126,398,112.49, 189,597,168.78 and 35,521,701.49

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Solution

The fourth proportional to 126,398,112.49, 189,597,168.78 and 35,521,701.49 is: 53,282,552.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,398,112.49 : 189,597,168.78 = 35,521,701.49 : x
  2. Step 2: Convert to fraction form
    126,398,112.49/189,597,168.78 = 35,521,701.49/x
  3. Step 3: Cross multiply
    126,398,112.49x = 189,597,168.78 × 35,521,701.49
  4. Step 4: Simplify right side
    126,398,112.49x = 6,734,814,032,752,308
  5. Step 5: Solve for x
    x = 6,734,814,032,752,308/126,398,112.49
  6. Step 6: Final answer
    x = 53,282,552.25

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1.5x scale

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.