Home / 216,199,542.80-324,299,314.20-214,184,003.60

Finding the Fourth Proportional to 216,199,542.80, 324,299,314.20 and 214,184,003.60

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Solution

The fourth proportional to 216,199,542.80, 324,299,314.20 and 214,184,003.60 is: 321,276,005.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,199,542.80 : 324,299,314.20 = 214,184,003.60 : x
  2. Step 2: Convert to fraction form
    216,199,542.80/324,299,314.20 = 214,184,003.60/x
  3. Step 3: Cross multiply
    216,199,542.80x = 324,299,314.20 × 214,184,003.60
  4. Step 4: Simplify right side
    216,199,542.80x = 69,459,725,480,090,328
  5. Step 5: Solve for x
    x = 69,459,725,480,090,328/216,199,542.80
  6. Step 6: Final answer
    x = 321,276,005.40

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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.