Home / 111,828,500.64-154,321,859.39-61,591,754.55

Finding the Fourth Proportional to 111,828,500.64, 154,321,859.39 and 61,591,754.55

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Solution

The fourth proportional to 111,828,500.64, 154,321,859.39 and 61,591,754.55 is: 84,995,810.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,828,500.64 : 154,321,859.39 = 61,591,754.55 : x
  2. Step 2: Convert to fraction form
    111,828,500.64/154,321,859.39 = 61,591,754.55/x
  3. Step 3: Cross multiply
    111,828,500.64x = 154,321,859.39 × 61,591,754.55
  4. Step 4: Simplify right side
    111,828,500.64x = 9,504,954,084,997,326
  5. Step 5: Solve for x
    x = 9,504,954,084,997,326/111,828,500.64
  6. Step 6: Final answer
    x = 84,995,810.82

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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.