Home / 145,367,074.62-218,147,579.46-75,401,785.62

Finding the Fourth Proportional to 145,367,074.62, 218,147,579.46 and 75,401,785.62

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Solution

The fourth proportional to 145,367,074.62, 218,147,579.46 and 75,401,785.62 is: 113,152,975.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,367,074.62 : 218,147,579.46 = 75,401,785.62 : x
  2. Step 2: Convert to fraction form
    145,367,074.62/218,147,579.46 = 75,401,785.62/x
  3. Step 3: Cross multiply
    145,367,074.62x = 218,147,579.46 × 75,401,785.62
  4. Step 4: Simplify right side
    145,367,074.62x = 16,448,717,019,964,838
  5. Step 5: Solve for x
    x = 16,448,717,019,964,838/145,367,074.62
  6. Step 6: Final answer
    x = 113,152,975.41

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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.