Home / 120,665,188.08-166,521,722.94-68,456,424.24

Finding the Fourth Proportional to 120,665,188.08, 166,521,722.94 and 68,456,424.24

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Solution

The fourth proportional to 120,665,188.08, 166,521,722.94 and 68,456,424.24 is: 94,472,000.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,665,188.08 : 166,521,722.94 = 68,456,424.24 : x
  2. Step 2: Convert to fraction form
    120,665,188.08/166,521,722.94 = 68,456,424.24/x
  3. Step 3: Cross multiply
    120,665,188.08x = 166,521,722.94 × 68,456,424.24
  4. Step 4: Simplify right side
    120,665,188.08x = 11,399,481,710,756,380
  5. Step 5: Solve for x
    x = 11,399,481,710,756,380/120,665,188.08
  6. Step 6: Final answer
    x = 94,472,000.52

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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.