Home / 213,412,513.84-294,219,640.09-149,746,350.43

Finding the Fourth Proportional to 213,412,513.84, 294,219,640.09 and 149,746,350.43

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Solution

The fourth proportional to 213,412,513.84, 294,219,640.09 and 149,746,350.43 is: 206,446,737.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,412,513.84 : 294,219,640.09 = 149,746,350.43 : x
  2. Step 2: Convert to fraction form
    213,412,513.84/294,219,640.09 = 149,746,350.43/x
  3. Step 3: Cross multiply
    213,412,513.84x = 294,219,640.09 × 149,746,350.43
  4. Step 4: Simplify right side
    213,412,513.84x = 44,058,317,326,361,040
  5. Step 5: Solve for x
    x = 44,058,317,326,361,040/213,412,513.84
  6. Step 6: Final answer
    x = 206,446,737.98

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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.