Finding the Fourth Proportional to 154,954,419.84, 213,587,868 and 104,702,945.64
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Solution
The fourth proportional to 154,954,419.84, 213,587,868 and 104,702,945.64 is: 144,321,658.95
Step by Step Solution
- Step 1: Write the proportion equation
154,954,419.84 : 213,587,868 = 104,702,945.64 : x - Step 2: Convert to fraction form
154,954,419.84/213,587,868 = 104,702,945.64/x - Step 3: Cross multiply
154,954,419.84x = 213,587,868 × 104,702,945.64 - Step 4: Simplify right side
154,954,419.84x = 22,363,278,932,567,496 - Step 5: Solve for x
x = 22,363,278,932,567,496/154,954,419.84 - Step 6: Final answer
x = 144,321,658.95
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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.