Home / 48,284,506.55-72,439,590.23-20,979,082.55

Finding the Fourth Proportional to 48,284,506.55, 72,439,590.23 and 20,979,082.55

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Solution

The fourth proportional to 48,284,506.55, 72,439,590.23 and 20,979,082.55 is: 31,474,198.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,284,506.55 : 72,439,590.23 = 20,979,082.55 : x
  2. Step 2: Convert to fraction form
    48,284,506.55/72,439,590.23 = 20,979,082.55/x
  3. Step 3: Cross multiply
    48,284,506.55x = 72,439,590.23 × 20,979,082.55
  4. Step 4: Simplify right side
    48,284,506.55x = 1,519,716,143,323,343.75
  5. Step 5: Solve for x
    x = 1,519,716,143,323,343.75/48,284,506.55
  6. Step 6: Final answer
    x = 31,474,198.49

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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.