Home / 89,019,506.82-133,367,832.96-87,082,404.38

Finding the Fourth Proportional to 89,019,506.82, 133,367,832.96 and 87,082,404.38

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Solution

The fourth proportional to 89,019,506.82, 133,367,832.96 and 87,082,404.38 is: 130,465,692.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,019,506.82 : 133,367,832.96 = 87,082,404.38 : x
  2. Step 2: Convert to fraction form
    89,019,506.82/133,367,832.96 = 87,082,404.38/x
  3. Step 3: Cross multiply
    89,019,506.82x = 133,367,832.96 × 87,082,404.38
  4. Step 4: Simplify right side
    89,019,506.82x = 11,613,991,560,440,172
  5. Step 5: Solve for x
    x = 11,613,991,560,440,172/89,019,506.82
  6. Step 6: Final answer
    x = 130,465,692.02

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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.