Finding the Fourth Proportional to 191,318,996.01, 264,028,867.20 and 107,715,853.53
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Solution
The fourth proportional to 191,318,996.01, 264,028,867.20 and 107,715,853.53 is: 148,652,749.49
Step by Step Solution
- Step 1: Write the proportion equation
191,318,996.01 : 264,028,867.20 = 107,715,853.53 : x - Step 2: Convert to fraction form
191,318,996.01/264,028,867.20 = 107,715,853.53/x - Step 3: Cross multiply
191,318,996.01x = 264,028,867.20 × 107,715,853.53 - Step 4: Simplify right side
191,318,996.01x = 28,440,094,787,007,020 - Step 5: Solve for x
x = 28,440,094,787,007,020/191,318,996.01 - Step 6: Final answer
x = 148,652,749.49
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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.