Home / 71,179,634.40-106,769,451.60-48,336,856.80

Finding the Fourth Proportional to 71,179,634.40, 106,769,451.60 and 48,336,856.80

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Solution

The fourth proportional to 71,179,634.40, 106,769,451.60 and 48,336,856.80 is: 72,505,285.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,179,634.40 : 106,769,451.60 = 48,336,856.80 : x
  2. Step 2: Convert to fraction form
    71,179,634.40/106,769,451.60 = 48,336,856.80/x
  3. Step 3: Cross multiply
    71,179,634.40x = 106,769,451.60 × 48,336,856.80
  4. Step 4: Simplify right side
    71,179,634.40x = 5,160,899,692,603,730
  5. Step 5: Solve for x
    x = 5,160,899,692,603,730/71,179,634.40
  6. Step 6: Final answer
    x = 72,505,285.20

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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.