Home / 49,318,012.80-74,118,736.80-43,082,438.40

Finding the Fourth Proportional to 49,318,012.80, 74,118,736.80 and 43,082,438.40

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Solution

The fourth proportional to 49,318,012.80, 74,118,736.80 and 43,082,438.40 is: 64,747,456.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,318,012.80 : 74,118,736.80 = 43,082,438.40 : x
  2. Step 2: Convert to fraction form
    49,318,012.80/74,118,736.80 = 43,082,438.40/x
  3. Step 3: Cross multiply
    49,318,012.80x = 74,118,736.80 × 43,082,438.40
  4. Step 4: Simplify right side
    49,318,012.80x = 3,193,215,912,471,813
  5. Step 5: Solve for x
    x = 3,193,215,912,471,813/49,318,012.80
  6. Step 6: Final answer
    x = 64,747,456.99

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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.