Home / 268,434,251.87-370,433,459.43-155,408,509.40

Finding the Fourth Proportional to 268,434,251.87, 370,433,459.43 and 155,408,509.40

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Solution

The fourth proportional to 268,434,251.87, 370,433,459.43 and 155,408,509.40 is: 214,460,380.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,434,251.87 : 370,433,459.43 = 155,408,509.40 : x
  2. Step 2: Convert to fraction form
    268,434,251.87/370,433,459.43 = 155,408,509.40/x
  3. Step 3: Cross multiply
    268,434,251.87x = 370,433,459.43 × 155,408,509.40
  4. Step 4: Simplify right side
    268,434,251.87x = 57,568,511,760,049,512
  5. Step 5: Solve for x
    x = 57,568,511,760,049,512/268,434,251.87
  6. Step 6: Final answer
    x = 214,460,380.37

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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.