Home / 193,556,729.20-290,335,093.80-192,213,036.40

Finding the Fourth Proportional to 193,556,729.20, 290,335,093.80 and 192,213,036.40

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Solution

The fourth proportional to 193,556,729.20, 290,335,093.80 and 192,213,036.40 is: 288,319,554.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,556,729.20 : 290,335,093.80 = 192,213,036.40 : x
  2. Step 2: Convert to fraction form
    193,556,729.20/290,335,093.80 = 192,213,036.40/x
  3. Step 3: Cross multiply
    193,556,729.20x = 290,335,093.80 × 192,213,036.40
  4. Step 4: Simplify right side
    193,556,729.20x = 55,806,189,952,776,816
  5. Step 5: Solve for x
    x = 55,806,189,952,776,816/193,556,729.20
  6. Step 6: Final answer
    x = 288,319,554.60

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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.