Home / 258,089,515.67-387,134,643.78-197,025,383.50

Finding the Fourth Proportional to 258,089,515.67, 387,134,643.78 and 197,025,383.50

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Solution

The fourth proportional to 258,089,515.67, 387,134,643.78 and 197,025,383.50 is: 295,538,357.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,089,515.67 : 387,134,643.78 = 197,025,383.50 : x
  2. Step 2: Convert to fraction form
    258,089,515.67/387,134,643.78 = 197,025,383.50/x
  3. Step 3: Cross multiply
    258,089,515.67x = 387,134,643.78 × 197,025,383.50
  4. Step 4: Simplify right side
    258,089,515.67x = 76,275,351,655,922,544
  5. Step 5: Solve for x
    x = 76,275,351,655,922,544/258,089,515.67
  6. Step 6: Final answer
    x = 295,538,357.91

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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.