Home / 215,089,325.93-321,409,543.24-161,501,073.10

Finding the Fourth Proportional to 215,089,325.93, 321,409,543.24 and 161,501,073.10

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Solution

The fourth proportional to 215,089,325.93, 321,409,543.24 and 161,501,073.10 is: 241,332,227.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,089,325.93 : 321,409,543.24 = 161,501,073.10 : x
  2. Step 2: Convert to fraction form
    215,089,325.93/321,409,543.24 = 161,501,073.10/x
  3. Step 3: Cross multiply
    215,089,325.93x = 321,409,543.24 × 161,501,073.10
  4. Step 4: Simplify right side
    215,089,325.93x = 51,907,986,137,840,848
  5. Step 5: Solve for x
    x = 51,907,986,137,840,848/215,089,325.93
  6. Step 6: Final answer
    x = 241,332,227.50

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.