Home / 21,788,922,530.84-30,067,784,059.55-12,143,139,229.58

Finding the Fourth Proportional to 21,788,922,530.84, 30,067,784,059.55 and 12,143,139,229.58

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Solution

The fourth proportional to 21,788,922,530.84, 30,067,784,059.55 and 12,143,139,229.58 is: 16,757,014,379.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,788,922,530.84 : 30,067,784,059.55 = 12,143,139,229.58 : x
  2. Step 2: Convert to fraction form
    21,788,922,530.84/30,067,784,059.55 = 12,143,139,229.58/x
  3. Step 3: Cross multiply
    21,788,922,530.84x = 30,067,784,059.55 × 12,143,139,229.58
  4. Step 4: Simplify right side
    21,788,922,530.84x = 365,117,288,159,850,725,376
  5. Step 5: Solve for x
    x = 365,117,288,159,850,725,376/21,788,922,530.84
  6. Step 6: Final answer
    x = 16,757,014,379.35

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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.