Home / 262,191,074.50-393,305,507.43-100,633,010.50

Finding the Fourth Proportional to 262,191,074.50, 393,305,507.43 and 100,633,010.50

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Solution

The fourth proportional to 262,191,074.50, 393,305,507.43 and 100,633,010.50 is: 150,956,768.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,191,074.50 : 393,305,507.43 = 100,633,010.50 : x
  2. Step 2: Convert to fraction form
    262,191,074.50/393,305,507.43 = 100,633,010.50/x
  3. Step 3: Cross multiply
    262,191,074.50x = 393,305,507.43 × 100,633,010.50
  4. Step 4: Simplify right side
    262,191,074.50x = 39,579,517,258,911,016
  5. Step 5: Solve for x
    x = 39,579,517,258,911,016/262,191,074.50
  6. Step 6: Final answer
    x = 150,956,768.21

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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.