Finding the Fourth Proportional to 193,293,913.14, 266,745,643.56 and 106,373,785.14
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Solution
The fourth proportional to 193,293,913.14, 266,745,643.56 and 106,373,785.14 is: 146,795,847.39
Step by Step Solution
- Step 1: Write the proportion equation
193,293,913.14 : 266,745,643.56 = 106,373,785.14 : x - Step 2: Convert to fraction form
193,293,913.14/266,745,643.56 = 106,373,785.14/x - Step 3: Cross multiply
193,293,913.14x = 266,745,643.56 × 106,373,785.14 - Step 4: Simplify right side
193,293,913.14x = 28,374,743,775,082,464 - Step 5: Solve for x
x = 28,374,743,775,082,464/193,293,913.14 - Step 6: Final answer
x = 146,795,847.39
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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.