Home / 101,101,463.51-139,519,947.57-54,691,753.73

Finding the Fourth Proportional to 101,101,463.51, 139,519,947.57 and 54,691,753.73

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Solution

The fourth proportional to 101,101,463.51, 139,519,947.57 and 54,691,753.73 is: 75,474,581.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,101,463.51 : 139,519,947.57 = 54,691,753.73 : x
  2. Step 2: Convert to fraction form
    101,101,463.51/139,519,947.57 = 54,691,753.73/x
  3. Step 3: Cross multiply
    101,101,463.51x = 139,519,947.57 × 54,691,753.73
  4. Step 4: Simplify right side
    101,101,463.51x = 7,630,590,612,920,951
  5. Step 5: Solve for x
    x = 7,630,590,612,920,951/101,101,463.51
  6. Step 6: Final answer
    x = 75,474,581.16

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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.