Home / 258,734,446.40-388,101,669.60-185,797,121.60

Finding the Fourth Proportional to 258,734,446.40, 388,101,669.60 and 185,797,121.60

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Solution

The fourth proportional to 258,734,446.40, 388,101,669.60 and 185,797,121.60 is: 278,695,682.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,734,446.40 : 388,101,669.60 = 185,797,121.60 : x
  2. Step 2: Convert to fraction form
    258,734,446.40/388,101,669.60 = 185,797,121.60/x
  3. Step 3: Cross multiply
    258,734,446.40x = 388,101,669.60 × 185,797,121.60
  4. Step 4: Simplify right side
    258,734,446.40x = 72,108,173,099,834,224
  5. Step 5: Solve for x
    x = 72,108,173,099,834,224/258,734,446.40
  6. Step 6: Final answer
    x = 278,695,682.40

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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.