Home / 82,447,999.70-123,671,999.55-28,595,311.70

Finding the Fourth Proportional to 82,447,999.70, 123,671,999.55 and 28,595,311.70

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Solution

The fourth proportional to 82,447,999.70, 123,671,999.55 and 28,595,311.70 is: 42,892,967.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,447,999.70 : 123,671,999.55 = 28,595,311.70 : x
  2. Step 2: Convert to fraction form
    82,447,999.70/123,671,999.55 = 28,595,311.70/x
  3. Step 3: Cross multiply
    82,447,999.70x = 123,671,999.55 × 28,595,311.70
  4. Step 4: Simplify right side
    82,447,999.70x = 3,536,439,375,694,509.50
  5. Step 5: Solve for x
    x = 3,536,439,375,694,509.50/82,447,999.70
  6. Step 6: Final answer
    x = 42,892,967.55

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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.