Home / 203,942,891,970.32-281,442,065,896.56-111,245,766,551.36

Finding the Fourth Proportional to 203,942,891,970.32, 281,442,065,896.56 and 111,245,766,551.36

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Solution

The fourth proportional to 203,942,891,970.32, 281,442,065,896.56 and 111,245,766,551.36 is: 153,519,635,119.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,942,891,970.32 : 281,442,065,896.56 = 111,245,766,551.36 : x
  2. Step 2: Convert to fraction form
    203,942,891,970.32/281,442,065,896.56 = 111,245,766,551.36/x
  3. Step 3: Cross multiply
    203,942,891,970.32x = 281,442,065,896.56 × 111,245,766,551.36
  4. Step 4: Simplify right side
    203,942,891,970.32x = 31,309,238,360,461,193,248,768
  5. Step 5: Solve for x
    x = 31,309,238,360,461,193,248,768/203,942,891,970.32
  6. Step 6: Final answer
    x = 153,519,635,119.31

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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.