Home / 193,976,440.50-291,002,991.57-71,155,898.31

Finding the Fourth Proportional to 193,976,440.50, 291,002,991.57 and 71,155,898.31

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Solution

The fourth proportional to 193,976,440.50, 291,002,991.57 and 71,155,898.31 is: 106,747,908.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,976,440.50 : 291,002,991.57 = 71,155,898.31 : x
  2. Step 2: Convert to fraction form
    193,976,440.50/291,002,991.57 = 71,155,898.31/x
  3. Step 3: Cross multiply
    193,976,440.50x = 291,002,991.57 × 71,155,898.31
  4. Step 4: Simplify right side
    193,976,440.50x = 20,706,579,276,060,708
  5. Step 5: Solve for x
    x = 20,706,579,276,060,708/193,976,440.50
  6. Step 6: Final answer
    x = 106,747,908.26

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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.