Home / 90,945,458.98-125,504,844.19-49,129,522.11

Finding the Fourth Proportional to 90,945,458.98, 125,504,844.19 and 49,129,522.11

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Solution

The fourth proportional to 90,945,458.98, 125,504,844.19 and 49,129,522.11 is: 67,798,800.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,945,458.98 : 125,504,844.19 = 49,129,522.11 : x
  2. Step 2: Convert to fraction form
    90,945,458.98/125,504,844.19 = 49,129,522.11/x
  3. Step 3: Cross multiply
    90,945,458.98x = 125,504,844.19 × 49,129,522.11
  4. Step 4: Simplify right side
    90,945,458.98x = 6,165,993,017,421,886
  5. Step 5: Solve for x
    x = 6,165,993,017,421,886/90,945,458.98
  6. Step 6: Final answer
    x = 67,798,800.37

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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.