Home / 111,297,865.22-153,609,473.78-61,754,200.08

Finding the Fourth Proportional to 111,297,865.22, 153,609,473.78 and 61,754,200.08

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Solution

The fourth proportional to 111,297,865.22, 153,609,473.78 and 61,754,200.08 is: 85,231,016.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,297,865.22 : 153,609,473.78 = 61,754,200.08 : x
  2. Step 2: Convert to fraction form
    111,297,865.22/153,609,473.78 = 61,754,200.08/x
  3. Step 3: Cross multiply
    111,297,865.22x = 153,609,473.78 × 61,754,200.08
  4. Step 4: Simplify right side
    111,297,865.22x = 9,486,030,178,378,604
  5. Step 5: Solve for x
    x = 9,486,030,178,378,604/111,297,865.22
  6. Step 6: Final answer
    x = 85,231,016.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.