Home / 229,321,408.36-316,499,485.68-135,245,895.40

Finding the Fourth Proportional to 229,321,408.36, 316,499,485.68 and 135,245,895.40

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Solution

The fourth proportional to 229,321,408.36, 316,499,485.68 and 135,245,895.40 is: 186,660,533.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,321,408.36 : 316,499,485.68 = 135,245,895.40 : x
  2. Step 2: Convert to fraction form
    229,321,408.36/316,499,485.68 = 135,245,895.40/x
  3. Step 3: Cross multiply
    229,321,408.36x = 316,499,485.68 × 135,245,895.40
  4. Step 4: Simplify right side
    229,321,408.36x = 42,805,256,334,431,080
  5. Step 5: Solve for x
    x = 42,805,256,334,431,080/229,321,408.36
  6. Step 6: Final answer
    x = 186,660,533.09

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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.