Home / 71,522,986.80-107,284,480.20-17,670,298.80

Finding the Fourth Proportional to 71,522,986.80, 107,284,480.20 and 17,670,298.80

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Solution

The fourth proportional to 71,522,986.80, 107,284,480.20 and 17,670,298.80 is: 26,505,448.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,522,986.80 : 107,284,480.20 = 17,670,298.80 : x
  2. Step 2: Convert to fraction form
    71,522,986.80/107,284,480.20 = 17,670,298.80/x
  3. Step 3: Cross multiply
    71,522,986.80x = 107,284,480.20 × 17,670,298.80
  4. Step 4: Simplify right side
    71,522,986.80x = 1,895,748,821,736,684
  5. Step 5: Solve for x
    x = 1,895,748,821,736,684/71,522,986.80
  6. Step 6: Final answer
    x = 26,505,448.20

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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.