Home / 66,925,451.90-100,366,920.12-21,476,617.58

Finding the Fourth Proportional to 66,925,451.90, 100,366,920.12 and 21,476,617.58

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Solution

The fourth proportional to 66,925,451.90, 100,366,920.12 and 21,476,617.58 is: 32,208,104.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,925,451.90 : 100,366,920.12 = 21,476,617.58 : x
  2. Step 2: Convert to fraction form
    66,925,451.90/100,366,920.12 = 21,476,617.58/x
  3. Step 3: Cross multiply
    66,925,451.90x = 100,366,920.12 × 21,476,617.58
  4. Step 4: Simplify right side
    66,925,451.90x = 2,155,541,961,099,647.75
  5. Step 5: Solve for x
    x = 2,155,541,961,099,647.75/66,925,451.90
  6. Step 6: Final answer
    x = 32,208,104.69

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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.