Finding the Fourth Proportional to 217,230,082.79, 299,775,406.69 and 118,110,828.83
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Solution
The fourth proportional to 217,230,082.79, 299,775,406.69 and 118,110,828.83 is: 162,991,797.88
Step by Step Solution
- Step 1: Write the proportion equation
217,230,082.79 : 299,775,406.69 = 118,110,828.83 : x - Step 2: Convert to fraction form
217,230,082.79/299,775,406.69 = 118,110,828.83/x - Step 3: Cross multiply
217,230,082.79x = 299,775,406.69 × 118,110,828.83 - Step 4: Simplify right side
217,230,082.79x = 35,406,721,747,006,228 - Step 5: Solve for x
x = 35,406,721,747,006,228/217,230,082.79 - Step 6: Final answer
x = 162,991,797.88
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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.