Home / 363,861,430.20-545,792,145.30-105,085,092.60

Finding the Fourth Proportional to 363,861,430.20, 545,792,145.30 and 105,085,092.60

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Solution

The fourth proportional to 363,861,430.20, 545,792,145.30 and 105,085,092.60 is: 157,627,638.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,861,430.20 : 545,792,145.30 = 105,085,092.60 : x
  2. Step 2: Convert to fraction form
    363,861,430.20/545,792,145.30 = 105,085,092.60/x
  3. Step 3: Cross multiply
    363,861,430.20x = 545,792,145.30 × 105,085,092.60
  4. Step 4: Simplify right side
    363,861,430.20x = 57,354,618,129,203,144
  5. Step 5: Solve for x
    x = 57,354,618,129,203,144/363,861,430.20
  6. Step 6: Final answer
    x = 157,627,638.90

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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.