Home / 186,970,993.67-258,033,330.78-103,337,325.25

Finding the Fourth Proportional to 186,970,993.67, 258,033,330.78 and 103,337,325.25

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Solution

The fourth proportional to 186,970,993.67, 258,033,330.78 and 103,337,325.25 is: 142,612,892.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,970,993.67 : 258,033,330.78 = 103,337,325.25 : x
  2. Step 2: Convert to fraction form
    186,970,993.67/258,033,330.78 = 103,337,325.25/x
  3. Step 3: Cross multiply
    186,970,993.67x = 258,033,330.78 × 103,337,325.25
  4. Step 4: Simplify right side
    186,970,993.67x = 26,664,474,227,122,132
  5. Step 5: Solve for x
    x = 26,664,474,227,122,132/186,970,993.67
  6. Step 6: Final answer
    x = 142,612,892.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.