Home / 100,436,975.18-150,362,796.58-74,643,486.24

Finding the Fourth Proportional to 100,436,975.18, 150,362,796.58 and 74,643,486.24

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Solution

The fourth proportional to 100,436,975.18, 150,362,796.58 and 74,643,486.24 is: 111,747,723.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,436,975.18 : 150,362,796.58 = 74,643,486.24 : x
  2. Step 2: Convert to fraction form
    100,436,975.18/150,362,796.58 = 74,643,486.24/x
  3. Step 3: Cross multiply
    100,436,975.18x = 150,362,796.58 × 74,643,486.24
  4. Step 4: Simplify right side
    100,436,975.18x = 11,223,603,337,527,150
  5. Step 5: Solve for x
    x = 11,223,603,337,527,150/100,436,975.18
  6. Step 6: Final answer
    x = 111,747,723.56

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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.