Home / 220,529,828.16-304,325,600.40-121,409,586.27

Finding the Fourth Proportional to 220,529,828.16, 304,325,600.40 and 121,409,586.27

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Solution

The fourth proportional to 220,529,828.16, 304,325,600.40 and 121,409,586.27 is: 167,542,166.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,529,828.16 : 304,325,600.40 = 121,409,586.27 : x
  2. Step 2: Convert to fraction form
    220,529,828.16/304,325,600.40 = 121,409,586.27/x
  3. Step 3: Cross multiply
    220,529,828.16x = 304,325,600.40 × 121,409,586.27
  4. Step 4: Simplify right side
    220,529,828.16x = 36,948,045,235,933,344
  5. Step 5: Solve for x
    x = 36,948,045,235,933,344/220,529,828.16
  6. Step 6: Final answer
    x = 167,542,166.72

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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.