Home / 197,403,599.87-272,425,478.24-109,297,596.89

Finding the Fourth Proportional to 197,403,599.87, 272,425,478.24 and 109,297,596.89

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Solution

The fourth proportional to 197,403,599.87, 272,425,478.24 and 109,297,596.89 is: 150,835,395.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,403,599.87 : 272,425,478.24 = 109,297,596.89 : x
  2. Step 2: Convert to fraction form
    197,403,599.87/272,425,478.24 = 109,297,596.89/x
  3. Step 3: Cross multiply
    197,403,599.87x = 272,425,478.24 × 109,297,596.89
  4. Step 4: Simplify right side
    197,403,599.87x = 29,775,450,103,375,564
  5. Step 5: Solve for x
    x = 29,775,450,103,375,564/197,403,599.87
  6. Step 6: Final answer
    x = 150,835,395.72

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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.