Home / 111,415,076.20-153,753,361.64-69,623,408.60

Finding the Fourth Proportional to 111,415,076.20, 153,753,361.64 and 69,623,408.60

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Solution

The fourth proportional to 111,415,076.20, 153,753,361.64 and 69,623,408.60 is: 96,080,651.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,415,076.20 : 153,753,361.64 = 69,623,408.60 : x
  2. Step 2: Convert to fraction form
    111,415,076.20/153,753,361.64 = 69,623,408.60/x
  3. Step 3: Cross multiply
    111,415,076.20x = 153,753,361.64 × 69,623,408.60
  4. Step 4: Simplify right side
    111,415,076.20x = 10,704,833,121,085,284
  5. Step 5: Solve for x
    x = 10,704,833,121,085,284/111,415,076.20
  6. Step 6: Final answer
    x = 96,080,651.62

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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.