Home / 274,025,735.70-411,038,603.55-128,743,052.33

Finding the Fourth Proportional to 274,025,735.70, 411,038,603.55 and 128,743,052.33

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Solution

The fourth proportional to 274,025,735.70, 411,038,603.55 and 128,743,052.33 is: 193,114,578.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,025,735.70 : 411,038,603.55 = 128,743,052.33 : x
  2. Step 2: Convert to fraction form
    274,025,735.70/411,038,603.55 = 128,743,052.33/x
  3. Step 3: Cross multiply
    274,025,735.70x = 411,038,603.55 × 128,743,052.33
  4. Step 4: Simplify right side
    274,025,735.70x = 52,918,364,444,432,584
  5. Step 5: Solve for x
    x = 52,918,364,444,432,584/274,025,735.70
  6. Step 6: Final answer
    x = 193,114,578.49

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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.