Home / 363,691,723.20-545,537,584.80-104,915,385.60

Finding the Fourth Proportional to 363,691,723.20, 545,537,584.80 and 104,915,385.60

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Solution

The fourth proportional to 363,691,723.20, 545,537,584.80 and 104,915,385.60 is: 157,373,078.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,691,723.20 : 545,537,584.80 = 104,915,385.60 : x
  2. Step 2: Convert to fraction form
    363,691,723.20/545,537,584.80 = 104,915,385.60/x
  3. Step 3: Cross multiply
    363,691,723.20x = 545,537,584.80 × 104,915,385.60
  4. Step 4: Simplify right side
    363,691,723.20x = 57,235,286,068,584,688
  5. Step 5: Solve for x
    x = 57,235,286,068,584,688/363,691,723.20
  6. Step 6: Final answer
    x = 157,373,078.40

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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.