Home / 81,245,475.09-112,116,730.37-45,481,415.49

Finding the Fourth Proportional to 81,245,475.09, 112,116,730.37 and 45,481,415.49

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Solution

The fourth proportional to 81,245,475.09, 112,116,730.37 and 45,481,415.49 is: 62,763,219.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,245,475.09 : 112,116,730.37 = 45,481,415.49 : x
  2. Step 2: Convert to fraction form
    81,245,475.09/112,116,730.37 = 45,481,415.49/x
  3. Step 3: Cross multiply
    81,245,475.09x = 112,116,730.37 × 45,481,415.49
  4. Step 4: Simplify right side
    81,245,475.09x = 5,099,227,597,110,864
  5. Step 5: Solve for x
    x = 5,099,227,597,110,864/81,245,475.09
  6. Step 6: Final answer
    x = 62,763,219.63

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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.