Home / 168,815,200.70-253,222,801.05-82,721,758.70

Finding the Fourth Proportional to 168,815,200.70, 253,222,801.05 and 82,721,758.70

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Solution

The fourth proportional to 168,815,200.70, 253,222,801.05 and 82,721,758.70 is: 124,082,638.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,815,200.70 : 253,222,801.05 = 82,721,758.70 : x
  2. Step 2: Convert to fraction form
    168,815,200.70/253,222,801.05 = 82,721,758.70/x
  3. Step 3: Cross multiply
    168,815,200.70x = 253,222,801.05 × 82,721,758.70
  4. Step 4: Simplify right side
    168,815,200.70x = 20,947,035,445,796,208
  5. Step 5: Solve for x
    x = 20,947,035,445,796,208/168,815,200.70
  6. Step 6: Final answer
    x = 124,082,638.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.