Home / 135,430,657.83-186,910,262.64-80,426,514.33

Finding the Fourth Proportional to 135,430,657.83, 186,910,262.64 and 80,426,514.33

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Solution

The fourth proportional to 135,430,657.83, 186,910,262.64 and 80,426,514.33 is: 110,998,064.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,430,657.83 : 186,910,262.64 = 80,426,514.33 : x
  2. Step 2: Convert to fraction form
    135,430,657.83/186,910,262.64 = 80,426,514.33/x
  3. Step 3: Cross multiply
    135,430,657.83x = 186,910,262.64 × 80,426,514.33
  4. Step 4: Simplify right side
    135,430,657.83x = 15,032,540,916,640,022
  5. Step 5: Solve for x
    x = 15,032,540,916,640,022/135,430,657.83
  6. Step 6: Final answer
    x = 110,998,064.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.