Home / 293,689,415.25-405,302,957.01-161,542,707.75

Finding the Fourth Proportional to 293,689,415.25, 405,302,957.01 and 161,542,707.75

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Solution

The fourth proportional to 293,689,415.25, 405,302,957.01 and 161,542,707.75 is: 222,935,297.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,689,415.25 : 405,302,957.01 = 161,542,707.75 : x
  2. Step 2: Convert to fraction form
    293,689,415.25/405,302,957.01 = 161,542,707.75/x
  3. Step 3: Cross multiply
    293,689,415.25x = 405,302,957.01 × 161,542,707.75
  4. Step 4: Simplify right side
    293,689,415.25x = 65,473,737,134,477,240
  5. Step 5: Solve for x
    x = 65,473,737,134,477,240/293,689,415.25
  6. Step 6: Final answer
    x = 222,935,297.41

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1.5x scale

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.