Home / 199,589,022.30-299,383,533.45-70,195,604.70

Finding the Fourth Proportional to 199,589,022.30, 299,383,533.45 and 70,195,604.70

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Solution

The fourth proportional to 199,589,022.30, 299,383,533.45 and 70,195,604.70 is: 105,293,407.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,589,022.30 : 299,383,533.45 = 70,195,604.70 : x
  2. Step 2: Convert to fraction form
    199,589,022.30/299,383,533.45 = 70,195,604.70/x
  3. Step 3: Cross multiply
    199,589,022.30x = 299,383,533.45 × 70,195,604.70
  4. Step 4: Simplify right side
    199,589,022.30x = 21,015,408,167,745,428
  5. Step 5: Solve for x
    x = 21,015,408,167,745,428/199,589,022.30
  6. Step 6: Final answer
    x = 105,293,407.05

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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.