Finding the Fourth Proportional to 216,206,478.96, 298,363,455.28 and 117,084,958.08
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Solution
The fourth proportional to 216,206,478.96, 298,363,455.28 and 117,084,958.08 is: 161,576,437.59
Step by Step Solution
- Step 1: Write the proportion equation
216,206,478.96 : 298,363,455.28 = 117,084,958.08 : x - Step 2: Convert to fraction form
216,206,478.96/298,363,455.28 = 117,084,958.08/x - Step 3: Cross multiply
216,206,478.96x = 298,363,455.28 × 117,084,958.08 - Step 4: Simplify right side
216,206,478.96x = 34,933,872,654,062,752 - Step 5: Solve for x
x = 34,933,872,654,062,752/216,206,478.96 - Step 6: Final answer
x = 161,576,437.59
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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.