Home / 111,828,686.67-154,322,115.30-61,591,939.92

Finding the Fourth Proportional to 111,828,686.67, 154,322,115.30 and 61,591,939.92

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Solution

The fourth proportional to 111,828,686.67, 154,322,115.30 and 61,591,939.92 is: 84,996,066.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,828,686.67 : 154,322,115.30 = 61,591,939.92 : x
  2. Step 2: Convert to fraction form
    111,828,686.67/154,322,115.30 = 61,591,939.92/x
  3. Step 3: Cross multiply
    111,828,686.67x = 154,322,115.30 × 61,591,939.92
  4. Step 4: Simplify right side
    111,828,686.67x = 9,504,998,453,884,914
  5. Step 5: Solve for x
    x = 9,504,998,453,884,914/111,828,686.67
  6. Step 6: Final answer
    x = 84,996,066.19

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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.