Home / 66,640,341,518.66-99,890,233,732.84-21,860,145,007.22

Finding the Fourth Proportional to 66,640,341,518.66, 99,890,233,732.84 and 21,860,145,007.22

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Solution

The fourth proportional to 66,640,341,518.66, 99,890,233,732.84 and 21,860,145,007.22 is: 32,767,163,919.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,640,341,518.66 : 99,890,233,732.84 = 21,860,145,007.22 : x
  2. Step 2: Convert to fraction form
    66,640,341,518.66/99,890,233,732.84 = 21,860,145,007.22/x
  3. Step 3: Cross multiply
    66,640,341,518.66x = 99,890,233,732.84 × 21,860,145,007.22
  4. Step 4: Simplify right side
    66,640,341,518.66x = 2,183,614,994,205,093,396,480
  5. Step 5: Solve for x
    x = 2,183,614,994,205,093,396,480/66,640,341,518.66
  6. Step 6: Final answer
    x = 32,767,163,919.68

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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.