Home / 74,317,997.40-111,264,419.70-45,620,183.40

Finding the Fourth Proportional to 74,317,997.40, 111,264,419.70 and 45,620,183.40

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Solution

The fourth proportional to 74,317,997.40, 111,264,419.70 and 45,620,183.40 is: 68,299,784.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,317,997.40 : 111,264,419.70 = 45,620,183.40 : x
  2. Step 2: Convert to fraction form
    74,317,997.40/111,264,419.70 = 45,620,183.40/x
  3. Step 3: Cross multiply
    74,317,997.40x = 111,264,419.70 × 45,620,183.40
  4. Step 4: Simplify right side
    74,317,997.40x = 5,075,903,232,608,573
  5. Step 5: Solve for x
    x = 5,075,903,232,608,573/74,317,997.40
  6. Step 6: Final answer
    x = 68,299,784.85

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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.