Home / 203,942,891,973.32-281,442,065,900.70-111,245,766,554.37

Finding the Fourth Proportional to 203,942,891,973.32, 281,442,065,900.70 and 111,245,766,554.37

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Solution

The fourth proportional to 203,942,891,973.32, 281,442,065,900.70 and 111,245,766,554.37 is: 153,519,635,123.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,942,891,973.32 : 281,442,065,900.70 = 111,245,766,554.37 : x
  2. Step 2: Convert to fraction form
    203,942,891,973.32/281,442,065,900.70 = 111,245,766,554.37/x
  3. Step 3: Cross multiply
    203,942,891,973.32x = 281,442,065,900.70 × 111,245,766,554.37
  4. Step 4: Simplify right side
    203,942,891,973.32x = 31,309,238,361,768,889,155,584
  5. Step 5: Solve for x
    x = 31,309,238,361,768,889,155,584/203,942,891,973.32
  6. Step 6: Final answer
    x = 153,519,635,123.47

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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.