Home / 111,828,501.39-154,321,860.43-61,591,755.30

Finding the Fourth Proportional to 111,828,501.39, 154,321,860.43 and 61,591,755.30

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Solution

The fourth proportional to 111,828,501.39, 154,321,860.43 and 61,591,755.30 is: 84,995,811.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,828,501.39 : 154,321,860.43 = 61,591,755.30 : x
  2. Step 2: Convert to fraction form
    111,828,501.39/154,321,860.43 = 61,591,755.30/x
  3. Step 3: Cross multiply
    111,828,501.39x = 154,321,860.43 × 61,591,755.30
  4. Step 4: Simplify right side
    111,828,501.39x = 9,504,954,264,891,334
  5. Step 5: Solve for x
    x = 9,504,954,264,891,334/111,828,501.39
  6. Step 6: Final answer
    x = 84,995,811.86

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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.