Home / 221,296,768.16-305,383,461.71-122,175,714.33

Finding the Fourth Proportional to 221,296,768.16, 305,383,461.71 and 122,175,714.33

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Solution

The fourth proportional to 221,296,768.16, 305,383,461.71 and 122,175,714.33 is: 168,599,129.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,296,768.16 : 305,383,461.71 = 122,175,714.33 : x
  2. Step 2: Convert to fraction form
    221,296,768.16/305,383,461.71 = 122,175,714.33/x
  3. Step 3: Cross multiply
    221,296,768.16x = 305,383,461.71 × 122,175,714.33
  4. Step 4: Simplify right side
    221,296,768.16x = 37,310,442,578,376,576
  5. Step 5: Solve for x
    x = 37,310,442,578,376,576/221,296,768.16
  6. Step 6: Final answer
    x = 168,599,129.98

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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.