Home / 111,099,795.44-153,317,704.57-66,445,760.63

Finding the Fourth Proportional to 111,099,795.44, 153,317,704.57 and 66,445,760.63

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Solution

The fourth proportional to 111,099,795.44, 153,317,704.57 and 66,445,760.63 is: 91,695,141.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,099,795.44 : 153,317,704.57 = 66,445,760.63 : x
  2. Step 2: Convert to fraction form
    111,099,795.44/153,317,704.57 = 66,445,760.63/x
  3. Step 3: Cross multiply
    111,099,795.44x = 153,317,704.57 × 66,445,760.63
  4. Step 4: Simplify right side
    111,099,795.44x = 10,187,311,497,899,040
  5. Step 5: Solve for x
    x = 10,187,311,497,899,040/111,099,795.44
  6. Step 6: Final answer
    x = 91,695,141.81

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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.