Home / 89,388,286.20-134,082,429.30-53,108,580.60

Finding the Fourth Proportional to 89,388,286.20, 134,082,429.30 and 53,108,580.60

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Solution

The fourth proportional to 89,388,286.20, 134,082,429.30 and 53,108,580.60 is: 79,662,870.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,388,286.20 : 134,082,429.30 = 53,108,580.60 : x
  2. Step 2: Convert to fraction form
    89,388,286.20/134,082,429.30 = 53,108,580.60/x
  3. Step 3: Cross multiply
    89,388,286.20x = 134,082,429.30 × 53,108,580.60
  4. Step 4: Simplify right side
    89,388,286.20x = 7,120,927,503,522,852
  5. Step 5: Solve for x
    x = 7,120,927,503,522,852/89,388,286.20
  6. Step 6: Final answer
    x = 79,662,870.90

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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.