Home / 80,179,117.31-110,647,181.93-43,509,688.31

Finding the Fourth Proportional to 80,179,117.31, 110,647,181.93 and 43,509,688.31

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Solution

The fourth proportional to 80,179,117.31, 110,647,181.93 and 43,509,688.31 is: 60,043,369.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,179,117.31 : 110,647,181.93 = 43,509,688.31 : x
  2. Step 2: Convert to fraction form
    80,179,117.31/110,647,181.93 = 43,509,688.31/x
  3. Step 3: Cross multiply
    80,179,117.31x = 110,647,181.93 × 43,509,688.31
  4. Step 4: Simplify right side
    80,179,117.31x = 4,814,224,398,213,234
  5. Step 5: Solve for x
    x = 4,814,224,398,213,234/80,179,117.31
  6. Step 6: Final answer
    x = 60,043,369.89

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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.