Home / 54,571,214.80-81,868,194.60-18,190,907.20

Finding the Fourth Proportional to 54,571,214.80, 81,868,194.60 and 18,190,907.20

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Solution

The fourth proportional to 54,571,214.80, 81,868,194.60 and 18,190,907.20 is: 27,290,151.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,571,214.80 : 81,868,194.60 = 18,190,907.20 : x
  2. Step 2: Convert to fraction form
    54,571,214.80/81,868,194.60 = 18,190,907.20/x
  3. Step 3: Cross multiply
    54,571,214.80x = 81,868,194.60 × 18,190,907.20
  4. Step 4: Simplify right side
    54,571,214.80x = 1,489,256,730,600,141
  5. Step 5: Solve for x
    x = 1,489,256,730,600,141/54,571,214.80
  6. Step 6: Final answer
    x = 27,290,151.70

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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.