Home / 192,703,361.25-289,111,823.96-77,628,687.33

Finding the Fourth Proportional to 192,703,361.25, 289,111,823.96 and 77,628,687.33

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Solution

The fourth proportional to 192,703,361.25, 289,111,823.96 and 77,628,687.33 is: 116,465,905.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,703,361.25 : 289,111,823.96 = 77,628,687.33 : x
  2. Step 2: Convert to fraction form
    192,703,361.25/289,111,823.96 = 77,628,687.33/x
  3. Step 3: Cross multiply
    192,703,361.25x = 289,111,823.96 × 77,628,687.33
  4. Step 4: Simplify right side
    192,703,361.25x = 22,443,371,385,208,696
  5. Step 5: Solve for x
    x = 22,443,371,385,208,696/192,703,361.25
  6. Step 6: Final answer
    x = 116,465,905.11

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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.