Home / 201,204,025.90-301,806,038.85-139,982,022.70

Finding the Fourth Proportional to 201,204,025.90, 301,806,038.85 and 139,982,022.70

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Solution

The fourth proportional to 201,204,025.90, 301,806,038.85 and 139,982,022.70 is: 209,973,034.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,204,025.90 : 301,806,038.85 = 139,982,022.70 : x
  2. Step 2: Convert to fraction form
    201,204,025.90/301,806,038.85 = 139,982,022.70/x
  3. Step 3: Cross multiply
    201,204,025.90x = 301,806,038.85 × 139,982,022.70
  4. Step 4: Simplify right side
    201,204,025.90x = 42,247,419,781,297,784
  5. Step 5: Solve for x
    x = 42,247,419,781,297,784/201,204,025.90
  6. Step 6: Final answer
    x = 209,973,034.05

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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.