Home / 54,160,281.80-81,188,640.30-20,072,486.60

Finding the Fourth Proportional to 54,160,281.80, 81,188,640.30 and 20,072,486.60

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Solution

The fourth proportional to 54,160,281.80, 81,188,640.30 and 20,072,486.60 is: 30,089,538.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,160,281.80 : 81,188,640.30 = 20,072,486.60 : x
  2. Step 2: Convert to fraction form
    54,160,281.80/81,188,640.30 = 20,072,486.60/x
  3. Step 3: Cross multiply
    54,160,281.80x = 81,188,640.30 × 20,072,486.60
  4. Step 4: Simplify right side
    54,160,281.80x = 1,629,657,894,493,970
  5. Step 5: Solve for x
    x = 1,629,657,894,493,970/54,160,281.80
  6. Step 6: Final answer
    x = 30,089,538.69

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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.