Home / 66,068,997.40-98,907,540.90-49,104,875.80

Finding the Fourth Proportional to 66,068,997.40, 98,907,540.90 and 49,104,875.80

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Solution

The fourth proportional to 66,068,997.40, 98,907,540.90 and 49,104,875.80 is: 73,511,672.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,068,997.40 : 98,907,540.90 = 49,104,875.80 : x
  2. Step 2: Convert to fraction form
    66,068,997.40/98,907,540.90 = 49,104,875.80/x
  3. Step 3: Cross multiply
    66,068,997.40x = 98,907,540.90 × 49,104,875.80
  4. Step 4: Simplify right side
    66,068,997.40x = 4,856,842,511,577,920
  5. Step 5: Solve for x
    x = 4,856,842,511,577,920/66,068,997.40
  6. Step 6: Final answer
    x = 73,511,672.69

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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.