Home / 193,626,945.45-290,526,186.85-101,488,786.72

Finding the Fourth Proportional to 193,626,945.45, 290,526,186.85 and 101,488,786.72

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Solution

The fourth proportional to 193,626,945.45, 290,526,186.85 and 101,488,786.72 is: 152,278,135.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,626,945.45 : 290,526,186.85 = 101,488,786.72 : x
  2. Step 2: Convert to fraction form
    193,626,945.45/290,526,186.85 = 101,488,786.72/x
  3. Step 3: Cross multiply
    193,626,945.45x = 290,526,186.85 × 101,488,786.72
  4. Step 4: Simplify right side
    193,626,945.45x = 29,485,150,212,814,484
  5. Step 5: Solve for x
    x = 29,485,150,212,814,484/193,626,945.45
  6. Step 6: Final answer
    x = 152,278,135.38

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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.