Home / 319,870,675.89-479,823,961.82-89,821,824.21

Finding the Fourth Proportional to 319,870,675.89, 479,823,961.82 and 89,821,824.21

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Solution

The fourth proportional to 319,870,675.89, 479,823,961.82 and 89,821,824.21 is: 134,737,776.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,870,675.89 : 479,823,961.82 = 89,821,824.21 : x
  2. Step 2: Convert to fraction form
    319,870,675.89/479,823,961.82 = 89,821,824.21/x
  3. Step 3: Cross multiply
    319,870,675.89x = 479,823,961.82 × 89,821,824.21
  4. Step 4: Simplify right side
    319,870,675.89x = 43,098,663,549,892,680
  5. Step 5: Solve for x
    x = 43,098,663,549,892,680/319,870,675.89
  6. Step 6: Final answer
    x = 134,737,776.23

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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.