Home / 77,999,439.60-107,630,471.52-43,183,391.04

Finding the Fourth Proportional to 77,999,439.60, 107,630,471.52 and 43,183,391.04

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Solution

The fourth proportional to 77,999,439.60, 107,630,471.52 and 43,183,391.04 is: 59,588,232.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,999,439.60 : 107,630,471.52 = 43,183,391.04 : x
  2. Step 2: Convert to fraction form
    77,999,439.60/107,630,471.52 = 43,183,391.04/x
  3. Step 3: Cross multiply
    77,999,439.60x = 107,630,471.52 × 43,183,391.04
  4. Step 4: Simplify right side
    77,999,439.60x = 4,647,848,739,467,743
  5. Step 5: Solve for x
    x = 4,647,848,739,467,743/77,999,439.60
  6. Step 6: Final answer
    x = 59,588,232.47

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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.