Home / 144,361,747,559.88-216,542,323,596.54-81,448,486,443.72

Finding the Fourth Proportional to 144,361,747,559.88, 216,542,323,596.54 and 81,448,486,443.72

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Solution

The fourth proportional to 144,361,747,559.88, 216,542,323,596.54 and 81,448,486,443.72 is: 122,172,561,679.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,361,747,559.88 : 216,542,323,596.54 = 81,448,486,443.72 : x
  2. Step 2: Convert to fraction form
    144,361,747,559.88/216,542,323,596.54 = 81,448,486,443.72/x
  3. Step 3: Cross multiply
    144,361,747,559.88x = 216,542,323,596.54 × 81,448,486,443.72
  4. Step 4: Simplify right side
    144,361,747,559.88x = 17,637,044,507,944,419,328,000
  5. Step 5: Solve for x
    x = 17,637,044,507,944,419,328,000/144,361,747,559.88
  6. Step 6: Final answer
    x = 122,172,561,679.67

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1.5x scale

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.