Home / 110,668,720.80-166,003,081.20-74,389,015.20

Finding the Fourth Proportional to 110,668,720.80, 166,003,081.20 and 74,389,015.20

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Solution

The fourth proportional to 110,668,720.80, 166,003,081.20 and 74,389,015.20 is: 111,583,522.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,668,720.80 : 166,003,081.20 = 74,389,015.20 : x
  2. Step 2: Convert to fraction form
    110,668,720.80/166,003,081.20 = 74,389,015.20/x
  3. Step 3: Cross multiply
    110,668,720.80x = 166,003,081.20 × 74,389,015.20
  4. Step 4: Simplify right side
    110,668,720.80x = 12,348,805,730,633,634
  5. Step 5: Solve for x
    x = 12,348,805,730,633,634/110,668,720.80
  6. Step 6: Final answer
    x = 111,583,522.80

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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.