Home / 89,787,282.57-123,906,486.65-48,534,174.81

Finding the Fourth Proportional to 89,787,282.57, 123,906,486.65 and 48,534,174.81

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Solution

The fourth proportional to 89,787,282.57, 123,906,486.65 and 48,534,174.81 is: 66,977,181.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,787,282.57 : 123,906,486.65 = 48,534,174.81 : x
  2. Step 2: Convert to fraction form
    89,787,282.57/123,906,486.65 = 48,534,174.81/x
  3. Step 3: Cross multiply
    89,787,282.57x = 123,906,486.65 × 48,534,174.81
  4. Step 4: Simplify right side
    89,787,282.57x = 6,013,699,082,921,361
  5. Step 5: Solve for x
    x = 6,013,699,082,921,361/89,787,282.57
  6. Step 6: Final answer
    x = 66,977,181.07

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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.