Home / 197,401,699.89-272,422,857.15-109,295,694.81

Finding the Fourth Proportional to 197,401,699.89, 272,422,857.15 and 109,295,694.81

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Solution

The fourth proportional to 197,401,699.89, 272,422,857.15 and 109,295,694.81 is: 150,832,771.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,401,699.89 : 272,422,857.15 = 109,295,694.81 : x
  2. Step 2: Convert to fraction form
    197,401,699.89/272,422,857.15 = 109,295,694.81/x
  3. Step 3: Cross multiply
    197,401,699.89x = 272,422,857.15 × 109,295,694.81
  4. Step 4: Simplify right side
    197,401,699.89x = 29,774,645,454,334,624
  5. Step 5: Solve for x
    x = 29,774,645,454,334,624/197,401,699.89
  6. Step 6: Final answer
    x = 150,832,771.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.