Home / 53,330,920.16-80,030,007.99-20,978,618.22

Finding the Fourth Proportional to 53,330,920.16, 80,030,007.99 and 20,978,618.22

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Solution

The fourth proportional to 53,330,920.16, 80,030,007.99 and 20,978,618.22 is: 31,481,155.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,330,920.16 : 80,030,007.99 = 20,978,618.22 : x
  2. Step 2: Convert to fraction form
    53,330,920.16/80,030,007.99 = 20,978,618.22/x
  3. Step 3: Cross multiply
    53,330,920.16x = 80,030,007.99 × 20,978,618.22
  4. Step 4: Simplify right side
    53,330,920.16x = 1,678,918,983,765,759.25
  5. Step 5: Solve for x
    x = 1,678,918,983,765,759.25/53,330,920.16
  6. Step 6: Final answer
    x = 31,481,155.38

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.