Home / 20,852,986,428.90-31,279,479,643.35-14,241,010,083.30

Finding the Fourth Proportional to 20,852,986,428.90, 31,279,479,643.35 and 14,241,010,083.30

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Solution

The fourth proportional to 20,852,986,428.90, 31,279,479,643.35 and 14,241,010,083.30 is: 21,361,515,124.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,852,986,428.90 : 31,279,479,643.35 = 14,241,010,083.30 : x
  2. Step 2: Convert to fraction form
    20,852,986,428.90/31,279,479,643.35 = 14,241,010,083.30/x
  3. Step 3: Cross multiply
    20,852,986,428.90x = 31,279,479,643.35 × 14,241,010,083.30
  4. Step 4: Simplify right side
    20,852,986,428.90x = 445,451,385,001,324,380,160
  5. Step 5: Solve for x
    x = 445,451,385,001,324,380,160/20,852,986,428.90
  6. Step 6: Final answer
    x = 21,361,515,124.95

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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.