Home / 216,934,361.52-325,401,438.60-55,376,245.68

Finding the Fourth Proportional to 216,934,361.52, 325,401,438.60 and 55,376,245.68

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Solution

The fourth proportional to 216,934,361.52, 325,401,438.60 and 55,376,245.68 is: 83,064,342.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,934,361.52 : 325,401,438.60 = 55,376,245.68 : x
  2. Step 2: Convert to fraction form
    216,934,361.52/325,401,438.60 = 55,376,245.68/x
  3. Step 3: Cross multiply
    216,934,361.52x = 325,401,438.60 × 55,376,245.68
  4. Step 4: Simplify right side
    216,934,361.52x = 18,019,510,008,539,036
  5. Step 5: Solve for x
    x = 18,019,510,008,539,036/216,934,361.52
  6. Step 6: Final answer
    x = 83,064,342.05

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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.