Home / 201,204,025.65-301,806,038.48-139,982,022.45

Finding the Fourth Proportional to 201,204,025.65, 301,806,038.48 and 139,982,022.45

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Solution

The fourth proportional to 201,204,025.65, 301,806,038.48 and 139,982,022.45 is: 209,973,033.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,204,025.65 : 301,806,038.48 = 139,982,022.45 : x
  2. Step 2: Convert to fraction form
    201,204,025.65/301,806,038.48 = 139,982,022.45/x
  3. Step 3: Cross multiply
    201,204,025.65x = 301,806,038.48 × 139,982,022.45
  4. Step 4: Simplify right side
    201,204,025.65x = 42,247,419,653,353,016
  5. Step 5: Solve for x
    x = 42,247,419,653,353,016/201,204,025.65
  6. Step 6: Final answer
    x = 209,973,033.68

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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.