Home / 124,192,012.80-186,288,019.20-43,404,556.80

Finding the Fourth Proportional to 124,192,012.80, 186,288,019.20 and 43,404,556.80

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Solution

The fourth proportional to 124,192,012.80, 186,288,019.20 and 43,404,556.80 is: 65,106,835.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,192,012.80 : 186,288,019.20 = 43,404,556.80 : x
  2. Step 2: Convert to fraction form
    124,192,012.80/186,288,019.20 = 43,404,556.80/x
  3. Step 3: Cross multiply
    124,192,012.80x = 186,288,019.20 × 43,404,556.80
  4. Step 4: Simplify right side
    124,192,012.80x = 8,085,748,910,525,889
  5. Step 5: Solve for x
    x = 8,085,748,910,525,889/124,192,012.80
  6. Step 6: Final answer
    x = 65,106,835.20

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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.