Home / 65,551,999.20-98,327,998.80-45,144,664.80

Finding the Fourth Proportional to 65,551,999.20, 98,327,998.80 and 45,144,664.80

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Solution

The fourth proportional to 65,551,999.20, 98,327,998.80 and 45,144,664.80 is: 67,716,997.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,551,999.20 : 98,327,998.80 = 45,144,664.80 : x
  2. Step 2: Convert to fraction form
    65,551,999.20/98,327,998.80 = 45,144,664.80/x
  3. Step 3: Cross multiply
    65,551,999.20x = 98,327,998.80 × 45,144,664.80
  4. Step 4: Simplify right side
    65,551,999.20x = 4,438,984,546,280,802
  5. Step 5: Solve for x
    x = 4,438,984,546,280,802/65,551,999.20
  6. Step 6: Final answer
    x = 67,716,997.20

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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.