Home / 111,841,379.91-154,261,599.26-74,652,910.20

Finding the Fourth Proportional to 111,841,379.91, 154,261,599.26 and 74,652,910.20

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Solution

The fourth proportional to 111,841,379.91, 154,261,599.26 and 74,652,910.20 is: 102,967,947.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,841,379.91 : 154,261,599.26 = 74,652,910.20 : x
  2. Step 2: Convert to fraction form
    111,841,379.91/154,261,599.26 = 74,652,910.20/x
  3. Step 3: Cross multiply
    111,841,379.91x = 154,261,599.26 × 74,652,910.20
  4. Step 4: Simplify right side
    111,841,379.91x = 11,516,077,316,491,902
  5. Step 5: Solve for x
    x = 11,516,077,316,491,902/111,841,379.91
  6. Step 6: Final answer
    x = 102,967,947.34

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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.