Home / 190,179,687.60-262,448,937-107,689,546.80

Finding the Fourth Proportional to 190,179,687.60, 262,448,937 and 107,689,546.80

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Solution

The fourth proportional to 190,179,687.60, 262,448,937 and 107,689,546.80 is: 148,612,122.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,179,687.60 : 262,448,937 = 107,689,546.80 : x
  2. Step 2: Convert to fraction form
    190,179,687.60/262,448,937 = 107,689,546.80/x
  3. Step 3: Cross multiply
    190,179,687.60x = 262,448,937 × 107,689,546.80
  4. Step 4: Simplify right side
    190,179,687.60x = 28,263,007,083,671,752
  5. Step 5: Solve for x
    x = 28,263,007,083,671,752/190,179,687.60
  6. Step 6: Final answer
    x = 148,612,122.78

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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.