Home / 111,273,857.25-153,555,635.48-61,706,232.15

Finding the Fourth Proportional to 111,273,857.25, 153,555,635.48 and 61,706,232.15

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Solution

The fourth proportional to 111,273,857.25, 153,555,635.48 and 61,706,232.15 is: 85,153,331.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,273,857.25 : 153,555,635.48 = 61,706,232.15 : x
  2. Step 2: Convert to fraction form
    111,273,857.25/153,555,635.48 = 61,706,232.15/x
  3. Step 3: Cross multiply
    111,273,857.25x = 153,555,635.48 × 61,706,232.15
  4. Step 4: Simplify right side
    111,273,857.25x = 9,475,339,690,561,124
  5. Step 5: Solve for x
    x = 9,475,339,690,561,124/111,273,857.25
  6. Step 6: Final answer
    x = 85,153,331.83

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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.