Home / 245,152,133.43-338,312,226.20-135,147,783.03

Finding the Fourth Proportional to 245,152,133.43, 338,312,226.20 and 135,147,783.03

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Solution

The fourth proportional to 245,152,133.43, 338,312,226.20 and 135,147,783.03 is: 186,505,198.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,152,133.43 : 338,312,226.20 = 135,147,783.03 : x
  2. Step 2: Convert to fraction form
    245,152,133.43/338,312,226.20 = 135,147,783.03/x
  3. Step 3: Cross multiply
    245,152,133.43x = 338,312,226.20 × 135,147,783.03
  4. Step 4: Simplify right side
    245,152,133.43x = 45,722,147,342,198,144
  5. Step 5: Solve for x
    x = 45,722,147,342,198,144/245,152,133.43
  6. Step 6: Final answer
    x = 186,505,198.64

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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.