Home / 163,814,880.30-245,722,320.45-137,986,847.70

Finding the Fourth Proportional to 163,814,880.30, 245,722,320.45 and 137,986,847.70

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Solution

The fourth proportional to 163,814,880.30, 245,722,320.45 and 137,986,847.70 is: 206,980,271.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,814,880.30 : 245,722,320.45 = 137,986,847.70 : x
  2. Step 2: Convert to fraction form
    163,814,880.30/245,722,320.45 = 137,986,847.70/x
  3. Step 3: Cross multiply
    163,814,880.30x = 245,722,320.45 × 137,986,847.70
  4. Step 4: Simplify right side
    163,814,880.30x = 33,906,448,408,424,740
  5. Step 5: Solve for x
    x = 33,906,448,408,424,740/163,814,880.30
  6. Step 6: Final answer
    x = 206,980,271.55

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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.