Home / 84,912,687.42-117,142,626.49-53,956,249.10

Finding the Fourth Proportional to 84,912,687.42, 117,142,626.49 and 53,956,249.10

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Solution

The fourth proportional to 84,912,687.42, 117,142,626.49 and 53,956,249.10 is: 74,436,187.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,912,687.42 : 117,142,626.49 = 53,956,249.10 : x
  2. Step 2: Convert to fraction form
    84,912,687.42/117,142,626.49 = 53,956,249.10/x
  3. Step 3: Cross multiply
    84,912,687.42x = 117,142,626.49 × 53,956,249.10
  4. Step 4: Simplify right side
    84,912,687.42x = 6,320,576,735,122,699
  5. Step 5: Solve for x
    x = 6,320,576,735,122,699/84,912,687.42
  6. Step 6: Final answer
    x = 74,436,187.66

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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.