Finding the Fourth Proportional to 298,104,102.73, 411,363,842.32 and 165,941,701.18
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Solution
The fourth proportional to 298,104,102.73, 411,363,842.32 and 165,941,701.18 is: 228,988,514.99
Step by Step Solution
- Step 1: Write the proportion equation
298,104,102.73 : 411,363,842.32 = 165,941,701.18 : x - Step 2: Convert to fraction form
298,104,102.73/411,363,842.32 = 165,941,701.18/x - Step 3: Cross multiply
298,104,102.73x = 411,363,842.32 × 165,941,701.18 - Step 4: Simplify right side
298,104,102.73x = 68,262,415,797,701,104 - Step 5: Solve for x
x = 68,262,415,797,701,104/298,104,102.73 - Step 6: Final answer
x = 228,988,514.99
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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.