Home / 228,242,494.09-342,150,748.86-90,069,245.39

Finding the Fourth Proportional to 228,242,494.09, 342,150,748.86 and 90,069,245.39

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Solution

The fourth proportional to 228,242,494.09, 342,150,748.86 and 90,069,245.39 is: 135,019,816.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,242,494.09 : 342,150,748.86 = 90,069,245.39 : x
  2. Step 2: Convert to fraction form
    228,242,494.09/342,150,748.86 = 90,069,245.39/x
  3. Step 3: Cross multiply
    228,242,494.09x = 342,150,748.86 × 90,069,245.39
  4. Step 4: Simplify right side
    228,242,494.09x = 30,817,259,759,443,604
  5. Step 5: Solve for x
    x = 30,817,259,759,443,604/228,242,494.09
  6. Step 6: Final answer
    x = 135,019,816.89

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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.