Home / 120,964,176.90-181,446,265.35-108,493,028.10

Finding the Fourth Proportional to 120,964,176.90, 181,446,265.35 and 108,493,028.10

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Solution

The fourth proportional to 120,964,176.90, 181,446,265.35 and 108,493,028.10 is: 162,739,542.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,964,176.90 : 181,446,265.35 = 108,493,028.10 : x
  2. Step 2: Convert to fraction form
    120,964,176.90/181,446,265.35 = 108,493,028.10/x
  3. Step 3: Cross multiply
    120,964,176.90x = 181,446,265.35 × 108,493,028.10
  4. Step 4: Simplify right side
    120,964,176.90x = 19,685,654,765,257,604
  5. Step 5: Solve for x
    x = 19,685,654,765,257,604/120,964,176.90
  6. Step 6: Final answer
    x = 162,739,542.15

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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.