Home / 131,394,637.34-197,105,449.32-49,582,367.72

Finding the Fourth Proportional to 131,394,637.34, 197,105,449.32 and 49,582,367.72

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Solution

The fourth proportional to 131,394,637.34, 197,105,449.32 and 49,582,367.72 is: 74,378,643.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,394,637.34 : 197,105,449.32 = 49,582,367.72 : x
  2. Step 2: Convert to fraction form
    131,394,637.34/197,105,449.32 = 49,582,367.72/x
  3. Step 3: Cross multiply
    131,394,637.34x = 197,105,449.32 × 49,582,367.72
  4. Step 4: Simplify right side
    131,394,637.34x = 9,772,954,866,814,538
  5. Step 5: Solve for x
    x = 9,772,954,866,814,538/131,394,637.34
  6. Step 6: Final answer
    x = 74,378,643.34

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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.