Home / 118,085,765.50-162,990,772.37-68,542,100.42

Finding the Fourth Proportional to 118,085,765.50, 162,990,772.37 and 68,542,100.42

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Solution

The fourth proportional to 118,085,765.50, 162,990,772.37 and 68,542,100.42 is: 94,606,914.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,085,765.50 : 162,990,772.37 = 68,542,100.42 : x
  2. Step 2: Convert to fraction form
    118,085,765.50/162,990,772.37 = 68,542,100.42/x
  3. Step 3: Cross multiply
    118,085,765.50x = 162,990,772.37 × 68,542,100.42
  4. Step 4: Simplify right side
    118,085,765.50x = 11,171,729,887,767,430
  5. Step 5: Solve for x
    x = 11,171,729,887,767,430/118,085,765.50
  6. Step 6: Final answer
    x = 94,606,914.23

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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.