Home / 194,318,850.80-291,436,285.80-85,143,810.80

Finding the Fourth Proportional to 194,318,850.80, 291,436,285.80 and 85,143,810.80

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Solution

The fourth proportional to 194,318,850.80, 291,436,285.80 and 85,143,810.80 is: 127,697,317.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,318,850.80 : 291,436,285.80 = 85,143,810.80 : x
  2. Step 2: Convert to fraction form
    194,318,850.80/291,436,285.80 = 85,143,810.80/x
  3. Step 3: Cross multiply
    194,318,850.80x = 291,436,285.80 × 85,143,810.80
  4. Step 4: Simplify right side
    194,318,850.80x = 24,813,995,978,409,928
  5. Step 5: Solve for x
    x = 24,813,995,978,409,928/194,318,850.80
  6. Step 6: Final answer
    x = 127,697,317.46

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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.