Home / 40,017,545,281.43-55,223,885,630.71-21,706,557,121.42

Finding the Fourth Proportional to 40,017,545,281.43, 55,223,885,630.71 and 21,706,557,121.42

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Solution

The fourth proportional to 40,017,545,281.43, 55,223,885,630.71 and 21,706,557,121.42 is: 29,954,871,531.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,017,545,281.43 : 55,223,885,630.71 = 21,706,557,121.42 : x
  2. Step 2: Convert to fraction form
    40,017,545,281.43/55,223,885,630.71 = 21,706,557,121.42/x
  3. Step 3: Cross multiply
    40,017,545,281.43x = 55,223,885,630.71 × 21,706,557,121.42
  4. Step 4: Simplify right side
    40,017,545,281.43x = 1,198,720,427,909,925,568,512
  5. Step 5: Solve for x
    x = 1,198,720,427,909,925,568,512/40,017,545,281.43
  6. Step 6: Final answer
    x = 29,954,871,531.47

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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.