Home / 106,413,993.78-159,544,383.45-65,388,671.07

Finding the Fourth Proportional to 106,413,993.78, 159,544,383.45 and 65,388,671.07

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Solution

The fourth proportional to 106,413,993.78, 159,544,383.45 and 65,388,671.07 is: 98,035,933.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,413,993.78 : 159,544,383.45 = 65,388,671.07 : x
  2. Step 2: Convert to fraction form
    106,413,993.78/159,544,383.45 = 65,388,671.07/x
  3. Step 3: Cross multiply
    106,413,993.78x = 159,544,383.45 × 65,388,671.07
  4. Step 4: Simplify right side
    106,413,993.78x = 10,432,395,210,478,002
  5. Step 5: Solve for x
    x = 10,432,395,210,478,002/106,413,993.78
  6. Step 6: Final answer
    x = 98,035,933.43

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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.