Home / 268,014,199.37-401,930,917.97-101,978,288.51

Finding the Fourth Proportional to 268,014,199.37, 401,930,917.97 and 101,978,288.51

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Solution

The fourth proportional to 268,014,199.37, 401,930,917.97 and 101,978,288.51 is: 152,933,043.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,014,199.37 : 401,930,917.97 = 101,978,288.51 : x
  2. Step 2: Convert to fraction form
    268,014,199.37/401,930,917.97 = 101,978,288.51/x
  3. Step 3: Cross multiply
    268,014,199.37x = 401,930,917.97 × 101,978,288.51
  4. Step 4: Simplify right side
    268,014,199.37x = 40,988,227,111,314,256
  5. Step 5: Solve for x
    x = 40,988,227,111,314,256/268,014,199.37
  6. Step 6: Final answer
    x = 152,933,043.13

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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.