Home / 205,105,407.46-283,045,427.12-111,019,535.75

Finding the Fourth Proportional to 205,105,407.46, 283,045,427.12 and 111,019,535.75

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Solution

The fourth proportional to 205,105,407.46, 283,045,427.12 and 111,019,535.75 is: 153,206,940.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,105,407.46 : 283,045,427.12 = 111,019,535.75 : x
  2. Step 2: Convert to fraction form
    205,105,407.46/283,045,427.12 = 111,019,535.75/x
  3. Step 3: Cross multiply
    205,105,407.46x = 283,045,427.12 × 111,019,535.75
  4. Step 4: Simplify right side
    205,105,407.46x = 31,423,571,915,022,860
  5. Step 5: Solve for x
    x = 31,423,571,915,022,860/205,105,407.46
  6. Step 6: Final answer
    x = 153,206,940.30

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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.