Home / 222,426,886.80-333,640,330.20-76,812,052.80

Finding the Fourth Proportional to 222,426,886.80, 333,640,330.20 and 76,812,052.80

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Solution

The fourth proportional to 222,426,886.80, 333,640,330.20 and 76,812,052.80 is: 115,218,079.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,426,886.80 : 333,640,330.20 = 76,812,052.80 : x
  2. Step 2: Convert to fraction form
    222,426,886.80/333,640,330.20 = 76,812,052.80/x
  3. Step 3: Cross multiply
    222,426,886.80x = 333,640,330.20 × 76,812,052.80
  4. Step 4: Simplify right side
    222,426,886.80x = 25,627,598,659,531,832
  5. Step 5: Solve for x
    x = 25,627,598,659,531,832/222,426,886.80
  6. Step 6: Final answer
    x = 115,218,079.20

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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.