Home / 281,718,011.20-422,577,016.80-200,088,673.60

Finding the Fourth Proportional to 281,718,011.20, 422,577,016.80 and 200,088,673.60

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Solution

The fourth proportional to 281,718,011.20, 422,577,016.80 and 200,088,673.60 is: 300,133,010.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,718,011.20 : 422,577,016.80 = 200,088,673.60 : x
  2. Step 2: Convert to fraction form
    281,718,011.20/422,577,016.80 = 200,088,673.60/x
  3. Step 3: Cross multiply
    281,718,011.20x = 422,577,016.80 × 200,088,673.60
  4. Step 4: Simplify right side
    281,718,011.20x = 84,552,874,785,356,912
  5. Step 5: Solve for x
    x = 84,552,874,785,356,912/281,718,011.20
  6. Step 6: Final answer
    x = 300,133,010.40

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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.