Home / 126,398,113.49-189,597,170.28-35,521,702.49

Finding the Fourth Proportional to 126,398,113.49, 189,597,170.28 and 35,521,702.49

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Solution

The fourth proportional to 126,398,113.49, 189,597,170.28 and 35,521,702.49 is: 53,282,553.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,398,113.49 : 189,597,170.28 = 35,521,702.49 : x
  2. Step 2: Convert to fraction form
    126,398,113.49/189,597,170.28 = 35,521,702.49/x
  3. Step 3: Cross multiply
    126,398,113.49x = 189,597,170.28 × 35,521,702.49
  4. Step 4: Simplify right side
    126,398,113.49x = 6,734,814,275,632,030
  5. Step 5: Solve for x
    x = 6,734,814,275,632,030/126,398,113.49
  6. Step 6: Final answer
    x = 53,282,553.75

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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.