Home / 111,099,796.57-153,317,706.13-66,445,761.75

Finding the Fourth Proportional to 111,099,796.57, 153,317,706.13 and 66,445,761.75

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Solution

The fourth proportional to 111,099,796.57, 153,317,706.13 and 66,445,761.75 is: 91,695,143.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,099,796.57 : 153,317,706.13 = 66,445,761.75 : x
  2. Step 2: Convert to fraction form
    111,099,796.57/153,317,706.13 = 66,445,761.75/x
  3. Step 3: Cross multiply
    111,099,796.57x = 153,317,706.13 × 66,445,761.75
  4. Step 4: Simplify right side
    111,099,796.57x = 10,187,311,773,621,560
  5. Step 5: Solve for x
    x = 10,187,311,773,621,560/111,099,796.57
  6. Step 6: Final answer
    x = 91,695,143.36

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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.