Home / 145,322,914.32-200,544,157.77-79,243,245.54

Finding the Fourth Proportional to 145,322,914.32, 200,544,157.77 and 79,243,245.54

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Solution

The fourth proportional to 145,322,914.32, 200,544,157.77 and 79,243,245.54 is: 109,354,880.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,322,914.32 : 200,544,157.77 = 79,243,245.54 : x
  2. Step 2: Convert to fraction form
    145,322,914.32/200,544,157.77 = 79,243,245.54/x
  3. Step 3: Cross multiply
    145,322,914.32x = 200,544,157.77 × 79,243,245.54
  4. Step 4: Simplify right side
    145,322,914.32x = 15,891,769,935,780,612
  5. Step 5: Solve for x
    x = 15,891,769,935,780,612/145,322,914.32
  6. Step 6: Final answer
    x = 109,354,880.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.