Home / 236,105,218.63-325,825,636.49-131,690,020.11

Finding the Fourth Proportional to 236,105,218.63, 325,825,636.49 and 131,690,020.11

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Solution

The fourth proportional to 236,105,218.63, 325,825,636.49 and 131,690,020.11 is: 181,732,470.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,105,218.63 : 325,825,636.49 = 131,690,020.11 : x
  2. Step 2: Convert to fraction form
    236,105,218.63/325,825,636.49 = 131,690,020.11/x
  3. Step 3: Cross multiply
    236,105,218.63x = 325,825,636.49 × 131,690,020.11
  4. Step 4: Simplify right side
    236,105,218.63x = 42,907,984,621,721,648
  5. Step 5: Solve for x
    x = 42,907,984,621,721,648/236,105,218.63
  6. Step 6: Final answer
    x = 181,732,470.25

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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.