Home / 48,284,513.30-72,439,600.35-20,979,089.30

Finding the Fourth Proportional to 48,284,513.30, 72,439,600.35 and 20,979,089.30

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Solution

The fourth proportional to 48,284,513.30, 72,439,600.35 and 20,979,089.30 is: 31,474,208.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,284,513.30 : 72,439,600.35 = 20,979,089.30 : x
  2. Step 2: Convert to fraction form
    48,284,513.30/72,439,600.35 = 20,979,089.30/x
  3. Step 3: Cross multiply
    48,284,513.30x = 72,439,600.35 × 20,979,089.30
  4. Step 4: Simplify right side
    48,284,513.30x = 1,519,716,844,598,961.25
  5. Step 5: Solve for x
    x = 1,519,716,844,598,961.25/48,284,513.30
  6. Step 6: Final answer
    x = 31,474,208.62

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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.