Home / 111,379,824.81-153,691,692.30-61,822,287.27

Finding the Fourth Proportional to 111,379,824.81, 153,691,692.30 and 61,822,287.27

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Solution

The fourth proportional to 111,379,824.81, 153,691,692.30 and 61,822,287.27 is: 85,307,837.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,379,824.81 : 153,691,692.30 = 61,822,287.27 : x
  2. Step 2: Convert to fraction form
    111,379,824.81/153,691,692.30 = 61,822,287.27/x
  3. Step 3: Cross multiply
    111,379,824.81x = 153,691,692.30 × 61,822,287.27
  4. Step 4: Simplify right side
    111,379,824.81x = 9,501,571,952,383,048
  5. Step 5: Solve for x
    x = 9,501,571,952,383,048/111,379,824.81
  6. Step 6: Final answer
    x = 85,307,837.11

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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.