Home / 190,253,480.10-262,553,242.41-107,764,335.78

Finding the Fourth Proportional to 190,253,480.10, 262,553,242.41 and 107,764,335.78

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Solution

The fourth proportional to 190,253,480.10, 262,553,242.41 and 107,764,335.78 is: 148,716,731.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,253,480.10 : 262,553,242.41 = 107,764,335.78 : x
  2. Step 2: Convert to fraction form
    190,253,480.10/262,553,242.41 = 107,764,335.78/x
  3. Step 3: Cross multiply
    190,253,480.10x = 262,553,242.41 × 107,764,335.78
  4. Step 4: Simplify right side
    190,253,480.10x = 28,293,875,775,198,976
  5. Step 5: Solve for x
    x = 28,293,875,775,198,976/190,253,480.10
  6. Step 6: Final answer
    x = 148,716,731.81

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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.