Home / 215,347,181.88-297,177,599.34-117,562,037.88

Finding the Fourth Proportional to 215,347,181.88, 297,177,599.34 and 117,562,037.88

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Solution

The fourth proportional to 215,347,181.88, 297,177,599.34 and 117,562,037.88 is: 162,234,787.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,347,181.88 : 297,177,599.34 = 117,562,037.88 : x
  2. Step 2: Convert to fraction form
    215,347,181.88/297,177,599.34 = 117,562,037.88/x
  3. Step 3: Cross multiply
    215,347,181.88x = 297,177,599.34 × 117,562,037.88
  4. Step 4: Simplify right side
    215,347,181.88x = 34,936,804,190,696,540
  5. Step 5: Solve for x
    x = 34,936,804,190,696,540/215,347,181.88
  6. Step 6: Final answer
    x = 162,234,787.03

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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.