Home / 205,285,768.70-283,295,721.08-111,199,915.64

Finding the Fourth Proportional to 205,285,768.70, 283,295,721.08 and 111,199,915.64

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Solution

The fourth proportional to 205,285,768.70, 283,295,721.08 and 111,199,915.64 is: 153,456,620.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,285,768.70 : 283,295,721.08 = 111,199,915.64 : x
  2. Step 2: Convert to fraction form
    205,285,768.70/283,295,721.08 = 111,199,915.64/x
  3. Step 3: Cross multiply
    205,285,768.70x = 283,295,721.08 × 111,199,915.64
  4. Step 4: Simplify right side
    205,285,768.70x = 31,502,460,283,296,492
  5. Step 5: Solve for x
    x = 31,502,460,283,296,492/205,285,768.70
  6. Step 6: Final answer
    x = 153,456,620.42

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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.