Home / 131,084,629.20-196,626,943.80-49,203,349.20

Finding the Fourth Proportional to 131,084,629.20, 196,626,943.80 and 49,203,349.20

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Solution

The fourth proportional to 131,084,629.20, 196,626,943.80 and 49,203,349.20 is: 73,805,023.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,084,629.20 : 196,626,943.80 = 49,203,349.20 : x
  2. Step 2: Convert to fraction form
    131,084,629.20/196,626,943.80 = 49,203,349.20/x
  3. Step 3: Cross multiply
    131,084,629.20x = 196,626,943.80 × 49,203,349.20
  4. Step 4: Simplify right side
    131,084,629.20x = 9,674,704,177,920,176
  5. Step 5: Solve for x
    x = 9,674,704,177,920,176/131,084,629.20
  6. Step 6: Final answer
    x = 73,805,023.80

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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.