Home / 239,247,928.26-330,223,570.90-155,823,943.92

Finding the Fourth Proportional to 239,247,928.26, 330,223,570.90 and 155,823,943.92

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Solution

The fourth proportional to 239,247,928.26, 330,223,570.90 and 155,823,943.92 is: 215,077,052.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,247,928.26 : 330,223,570.90 = 155,823,943.92 : x
  2. Step 2: Convert to fraction form
    239,247,928.26/330,223,570.90 = 155,823,943.92/x
  3. Step 3: Cross multiply
    239,247,928.26x = 330,223,570.90 × 155,823,943.92
  4. Step 4: Simplify right side
    239,247,928.26x = 51,456,739,192,983,736
  5. Step 5: Solve for x
    x = 51,456,739,192,983,736/239,247,928.26
  6. Step 6: Final answer
    x = 215,077,052.36

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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.