Home / 118,703,610.40-178,055,415.60-106,988,288.80

Finding the Fourth Proportional to 118,703,610.40, 178,055,415.60 and 106,988,288.80

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Solution

The fourth proportional to 118,703,610.40, 178,055,415.60 and 106,988,288.80 is: 160,482,433.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,703,610.40 : 178,055,415.60 = 106,988,288.80 : x
  2. Step 2: Convert to fraction form
    118,703,610.40/178,055,415.60 = 106,988,288.80/x
  3. Step 3: Cross multiply
    118,703,610.40x = 178,055,415.60 × 106,988,288.80
  4. Step 4: Simplify right side
    118,703,610.40x = 19,049,844,226,616,824
  5. Step 5: Solve for x
    x = 19,049,844,226,616,824/118,703,610.40
  6. Step 6: Final answer
    x = 160,482,433.20

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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.