Home / 21,136,386,250.80-31,704,579,376.20-14,170,682,775.60

Finding the Fourth Proportional to 21,136,386,250.80, 31,704,579,376.20 and 14,170,682,775.60

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Solution

The fourth proportional to 21,136,386,250.80, 31,704,579,376.20 and 14,170,682,775.60 is: 21,256,024,163.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,136,386,250.80 : 31,704,579,376.20 = 14,170,682,775.60 : x
  2. Step 2: Convert to fraction form
    21,136,386,250.80/31,704,579,376.20 = 14,170,682,775.60/x
  3. Step 3: Cross multiply
    21,136,386,250.80x = 31,704,579,376.20 × 14,170,682,775.60
  4. Step 4: Simplify right side
    21,136,386,250.80x = 449,275,536,873,960,374,272
  5. Step 5: Solve for x
    x = 449,275,536,873,960,374,272/21,136,386,250.80
  6. Step 6: Final answer
    x = 21,256,024,163.40

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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.