Home / 163,960,972.80-245,906,029.80-71,844,532.80

Finding the Fourth Proportional to 163,960,972.80, 245,906,029.80 and 71,844,532.80

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Solution

The fourth proportional to 163,960,972.80, 245,906,029.80 and 71,844,532.80 is: 107,751,274.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,960,972.80 : 245,906,029.80 = 71,844,532.80 : x
  2. Step 2: Convert to fraction form
    163,960,972.80/245,906,029.80 = 71,844,532.80/x
  3. Step 3: Cross multiply
    163,960,972.80x = 245,906,029.80 × 71,844,532.80
  4. Step 4: Simplify right side
    163,960,972.80x = 17,667,003,823,683,878
  5. Step 5: Solve for x
    x = 17,667,003,823,683,878/163,960,972.80
  6. Step 6: Final answer
    x = 107,751,274.72

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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.