Home / 193,349,825.07-290,021,891.73-47,783,378.46

Finding the Fourth Proportional to 193,349,825.07, 290,021,891.73 and 47,783,378.46

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Solution

The fourth proportional to 193,349,825.07, 290,021,891.73 and 47,783,378.46 is: 71,674,364.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,349,825.07 : 290,021,891.73 = 47,783,378.46 : x
  2. Step 2: Convert to fraction form
    193,349,825.07/290,021,891.73 = 47,783,378.46/x
  3. Step 3: Cross multiply
    193,349,825.07x = 290,021,891.73 × 47,783,378.46
  4. Step 4: Simplify right side
    193,349,825.07x = 13,858,225,814,219,736
  5. Step 5: Solve for x
    x = 13,858,225,814,219,736/193,349,825.07
  6. Step 6: Final answer
    x = 71,674,364.38

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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.