Finding the Fourth Proportional to 154,588,141.09, 213,329,243.73 and 84,972,026.08
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Solution
The fourth proportional to 154,588,141.09, 213,329,243.73 and 84,972,026.08 is: 117,260,081.75
Step by Step Solution
- Step 1: Write the proportion equation
154,588,141.09 : 213,329,243.73 = 84,972,026.08 : x - Step 2: Convert to fraction form
154,588,141.09/213,329,243.73 = 84,972,026.08/x - Step 3: Cross multiply
154,588,141.09x = 213,329,243.73 × 84,972,026.08 - Step 4: Simplify right side
154,588,141.09x = 18,127,018,061,852,236 - Step 5: Solve for x
x = 18,127,018,061,852,236/154,588,141.09 - Step 6: Final answer
x = 117,260,081.75
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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.