Home / 363,837,845.40-545,756,768.10-133,759,321.80

Finding the Fourth Proportional to 363,837,845.40, 545,756,768.10 and 133,759,321.80

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Solution

The fourth proportional to 363,837,845.40, 545,756,768.10 and 133,759,321.80 is: 200,638,982.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,837,845.40 : 545,756,768.10 = 133,759,321.80 : x
  2. Step 2: Convert to fraction form
    363,837,845.40/545,756,768.10 = 133,759,321.80/x
  3. Step 3: Cross multiply
    363,837,845.40x = 545,756,768.10 × 133,759,321.80
  4. Step 4: Simplify right side
    363,837,845.40x = 73,000,055,168,815,872
  5. Step 5: Solve for x
    x = 73,000,055,168,815,872/363,837,845.40
  6. Step 6: Final answer
    x = 200,638,982.70

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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.