Home / 163,555,131.35-245,334,834-54,380,302.43

Finding the Fourth Proportional to 163,555,131.35, 245,334,834 and 54,380,302.43

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Solution

The fourth proportional to 163,555,131.35, 245,334,834 and 54,380,302.43 is: 81,571,164.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,555,131.35 : 245,334,834 = 54,380,302.43 : x
  2. Step 2: Convert to fraction form
    163,555,131.35/245,334,834 = 54,380,302.43/x
  3. Step 3: Cross multiply
    163,555,131.35x = 245,334,834 × 54,380,302.43
  4. Step 4: Simplify right side
    163,555,131.35x = 13,341,382,469,533,846
  5. Step 5: Solve for x
    x = 13,341,382,469,533,846/163,555,131.35
  6. Step 6: Final answer
    x = 81,571,164.17

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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.