Home / 353,014,791.16-529,358,556.80-131,626,688.15

Finding the Fourth Proportional to 353,014,791.16, 529,358,556.80 and 131,626,688.15

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Solution

The fourth proportional to 353,014,791.16, 529,358,556.80 and 131,626,688.15 is: 197,379,020.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,014,791.16 : 529,358,556.80 = 131,626,688.15 : x
  2. Step 2: Convert to fraction form
    353,014,791.16/529,358,556.80 = 131,626,688.15/x
  3. Step 3: Cross multiply
    353,014,791.16x = 529,358,556.80 × 131,626,688.15
  4. Step 4: Simplify right side
    353,014,791.16x = 69,677,713,677,470,040
  5. Step 5: Solve for x
    x = 69,677,713,677,470,040/353,014,791.16
  6. Step 6: Final answer
    x = 197,379,020.43

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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.