Home / 118,177,344.80-163,084,112.40-68,629,901.60

Finding the Fourth Proportional to 118,177,344.80, 163,084,112.40 and 68,629,901.60

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Solution

The fourth proportional to 118,177,344.80, 163,084,112.40 and 68,629,901.60 is: 94,708,902.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,177,344.80 : 163,084,112.40 = 68,629,901.60 : x
  2. Step 2: Convert to fraction form
    118,177,344.80/163,084,112.40 = 68,629,901.60/x
  3. Step 3: Cross multiply
    118,177,344.80x = 163,084,112.40 × 68,629,901.60
  4. Step 4: Simplify right side
    118,177,344.80x = 11,192,446,586,535,340
  5. Step 5: Solve for x
    x = 11,192,446,586,535,340/118,177,344.80
  6. Step 6: Final answer
    x = 94,708,902.16

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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.