Home / 111,765,687.20-167,312,607.60-66,304,080.80

Finding the Fourth Proportional to 111,765,687.20, 167,312,607.60 and 66,304,080.80

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Solution

The fourth proportional to 111,765,687.20, 167,312,607.60 and 66,304,080.80 is: 99,256,837.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,765,687.20 : 167,312,607.60 = 66,304,080.80 : x
  2. Step 2: Convert to fraction form
    111,765,687.20/167,312,607.60 = 66,304,080.80/x
  3. Step 3: Cross multiply
    111,765,687.20x = 167,312,607.60 × 66,304,080.80
  4. Step 4: Simplify right side
    111,765,687.20x = 11,093,508,653,169,094
  5. Step 5: Solve for x
    x = 11,093,508,653,169,094/111,765,687.20
  6. Step 6: Final answer
    x = 99,256,837.51

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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.