Home / 201,206,385.33-277,666,336.20-111,899,570.57

Finding the Fourth Proportional to 201,206,385.33, 277,666,336.20 and 111,899,570.57

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Solution

The fourth proportional to 201,206,385.33, 277,666,336.20 and 111,899,570.57 is: 154,422,255.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,206,385.33 : 277,666,336.20 = 111,899,570.57 : x
  2. Step 2: Convert to fraction form
    201,206,385.33/277,666,336.20 = 111,899,570.57/x
  3. Step 3: Cross multiply
    201,206,385.33x = 277,666,336.20 × 111,899,570.57
  4. Step 4: Simplify right side
    201,206,385.33x = 31,070,743,781,136,912
  5. Step 5: Solve for x
    x = 31,070,743,781,136,912/201,206,385.33
  6. Step 6: Final answer
    x = 154,422,255.19

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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.