Home / 82,309,616.10-123,464,477.41-20,903,380.02

Finding the Fourth Proportional to 82,309,616.10, 123,464,477.41 and 20,903,380.02

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Solution

The fourth proportional to 82,309,616.10, 123,464,477.41 and 20,903,380.02 is: 31,355,083.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,309,616.10 : 123,464,477.41 = 20,903,380.02 : x
  2. Step 2: Convert to fraction form
    82,309,616.10/123,464,477.41 = 20,903,380.02/x
  3. Step 3: Cross multiply
    82,309,616.10x = 123,464,477.41 × 20,903,380.02
  4. Step 4: Simplify right side
    82,309,616.10x = 2,580,824,890,219,677
  5. Step 5: Solve for x
    x = 2,580,824,890,219,677/82,309,616.10
  6. Step 6: Final answer
    x = 31,355,083.56

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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.