Home / 195,725,917.10-293,394,949.91-91,909,280.42

Finding the Fourth Proportional to 195,725,917.10, 293,394,949.91 and 91,909,280.42

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Solution

The fourth proportional to 195,725,917.10, 293,394,949.91 and 91,909,280.42 is: 137,772,856.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,725,917.10 : 293,394,949.91 = 91,909,280.42 : x
  2. Step 2: Convert to fraction form
    195,725,917.10/293,394,949.91 = 91,909,280.42/x
  3. Step 3: Cross multiply
    195,725,917.10x = 293,394,949.91 × 91,909,280.42
  4. Step 4: Simplify right side
    195,725,917.10x = 26,965,718,723,163,520
  5. Step 5: Solve for x
    x = 26,965,718,723,163,520/195,725,917.10
  6. Step 6: Final answer
    x = 137,772,856.67

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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.