Home / 222,538,287-307,158,643.74-151,131,989.46

Finding the Fourth Proportional to 222,538,287, 307,158,643.74 and 151,131,989.46

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Solution

The fourth proportional to 222,538,287, 307,158,643.74 and 151,131,989.46 is: 208,600,046.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,538,287 : 307,158,643.74 = 151,131,989.46 : x
  2. Step 2: Convert to fraction form
    222,538,287/307,158,643.74 = 151,131,989.46/x
  3. Step 3: Cross multiply
    222,538,287x = 307,158,643.74 × 151,131,989.46
  4. Step 4: Simplify right side
    222,538,287x = 46,421,496,908,261,576
  5. Step 5: Solve for x
    x = 46,421,496,908,261,576/222,538,287
  6. Step 6: Final answer
    x = 208,600,046.01

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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.