Home / 47,711,467.95-71,567,201.93-40,321,157.55

Finding the Fourth Proportional to 47,711,467.95, 71,567,201.93 and 40,321,157.55

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Solution

The fourth proportional to 47,711,467.95, 71,567,201.93 and 40,321,157.55 is: 60,481,736.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,711,467.95 : 71,567,201.93 = 40,321,157.55 : x
  2. Step 2: Convert to fraction form
    47,711,467.95/71,567,201.93 = 40,321,157.55/x
  3. Step 3: Cross multiply
    47,711,467.95x = 71,567,201.93 × 40,321,157.55
  4. Step 4: Simplify right side
    47,711,467.95x = 2,885,672,424,432,194
  5. Step 5: Solve for x
    x = 2,885,672,424,432,194/47,711,467.95
  6. Step 6: Final answer
    x = 60,481,736.33

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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.