Home / 243,561,565.44-335,789,808.44-193,491,915.21

Finding the Fourth Proportional to 243,561,565.44, 335,789,808.44 and 193,491,915.21

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Solution

The fourth proportional to 243,561,565.44, 335,789,808.44 and 193,491,915.21 is: 266,760,533.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,561,565.44 : 335,789,808.44 = 193,491,915.21 : x
  2. Step 2: Convert to fraction form
    243,561,565.44/335,789,808.44 = 193,491,915.21/x
  3. Step 3: Cross multiply
    243,561,565.44x = 335,789,808.44 × 193,491,915.21
  4. Step 4: Simplify right side
    243,561,565.44x = 64,972,613,142,087,168
  5. Step 5: Solve for x
    x = 64,972,613,142,087,168/243,561,565.44
  6. Step 6: Final answer
    x = 266,760,533.52

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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.