Home / 76,962,961.20-106,219,452.98-47,188,342.21

Finding the Fourth Proportional to 76,962,961.20, 106,219,452.98 and 47,188,342.21

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Solution

The fourth proportional to 76,962,961.20, 106,219,452.98 and 47,188,342.21 is: 65,126,390.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,962,961.20 : 106,219,452.98 = 47,188,342.21 : x
  2. Step 2: Convert to fraction form
    76,962,961.20/106,219,452.98 = 47,188,342.21/x
  3. Step 3: Cross multiply
    76,962,961.20x = 106,219,452.98 × 47,188,342.21
  4. Step 4: Simplify right side
    76,962,961.20x = 5,012,319,896,579,245
  5. Step 5: Solve for x
    x = 5,012,319,896,579,245/76,962,961.20
  6. Step 6: Final answer
    x = 65,126,390.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.