Home / 291,575,823.50-402,383,034.52-161,204,029.58

Finding the Fourth Proportional to 291,575,823.50, 402,383,034.52 and 161,204,029.58

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Solution

The fourth proportional to 291,575,823.50, 402,383,034.52 and 161,204,029.58 is: 222,466,203.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,575,823.50 : 402,383,034.52 = 161,204,029.58 : x
  2. Step 2: Convert to fraction form
    291,575,823.50/402,383,034.52 = 161,204,029.58/x
  3. Step 3: Cross multiply
    291,575,823.50x = 402,383,034.52 × 161,204,029.58
  4. Step 4: Simplify right side
    291,575,823.50x = 64,865,766,599,252,240
  5. Step 5: Solve for x
    x = 64,865,766,599,252,240/291,575,823.50
  6. Step 6: Final answer
    x = 222,466,203.89

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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.