Home / 221,242,456.46-331,961,586.06-116,173,083.71

Finding the Fourth Proportional to 221,242,456.46, 331,961,586.06 and 116,173,083.71

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Solution

The fourth proportional to 221,242,456.46, 331,961,586.06 and 116,173,083.71 is: 174,311,032.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,242,456.46 : 331,961,586.06 = 116,173,083.71 : x
  2. Step 2: Convert to fraction form
    221,242,456.46/331,961,586.06 = 116,173,083.71/x
  3. Step 3: Cross multiply
    221,242,456.46x = 331,961,586.06 × 116,173,083.71
  4. Step 4: Simplify right side
    221,242,456.46x = 38,565,001,124,192,944
  5. Step 5: Solve for x
    x = 38,565,001,124,192,944/221,242,456.46
  6. Step 6: Final answer
    x = 174,311,032.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.