Home / 116,310,728.88-160,480,616.40-66,063,769.92

Finding the Fourth Proportional to 116,310,728.88, 160,480,616.40 and 66,063,769.92

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Solution

The fourth proportional to 116,310,728.88, 160,480,616.40 and 66,063,769.92 is: 91,151,991.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,310,728.88 : 160,480,616.40 = 66,063,769.92 : x
  2. Step 2: Convert to fraction form
    116,310,728.88/160,480,616.40 = 66,063,769.92/x
  3. Step 3: Cross multiply
    116,310,728.88x = 160,480,616.40 × 66,063,769.92
  4. Step 4: Simplify right side
    116,310,728.88x = 10,601,954,518,469,380
  5. Step 5: Solve for x
    x = 10,601,954,518,469,380/116,310,728.88
  6. Step 6: Final answer
    x = 91,151,991.05

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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.