Home / 190,109,920-262,344,900.72-107,601,933.28

Finding the Fourth Proportional to 190,109,920, 262,344,900.72 and 107,601,933.28

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Solution

The fourth proportional to 190,109,920, 262,344,900.72 and 107,601,933.28 is: 148,486,825.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,109,920 : 262,344,900.72 = 107,601,933.28 : x
  2. Step 2: Convert to fraction form
    190,109,920/262,344,900.72 = 107,601,933.28/x
  3. Step 3: Cross multiply
    190,109,920x = 262,344,900.72 × 107,601,933.28
  4. Step 4: Simplify right side
    190,109,920x = 28,228,818,503,621,664
  5. Step 5: Solve for x
    x = 28,228,818,503,621,664/190,109,920
  6. Step 6: Final answer
    x = 148,486,825.43

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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.