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Finding the Fourth Proportional to 250,254,804.84, 375,119,435.36 and 84,200,664.22

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Solution

The fourth proportional to 250,254,804.84, 375,119,435.36 and 84,200,664.22 is: 126,212,584.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,254,804.84 : 375,119,435.36 = 84,200,664.22 : x
  2. Step 2: Convert to fraction form
    250,254,804.84/375,119,435.36 = 84,200,664.22/x
  3. Step 3: Cross multiply
    250,254,804.84x = 375,119,435.36 × 84,200,664.22
  4. Step 4: Simplify right side
    250,254,804.84x = 31,585,305,619,822,756
  5. Step 5: Solve for x
    x = 31,585,305,619,822,756/250,254,804.84
  6. Step 6: Final answer
    x = 126,212,584.17

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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.