Finding the Fourth Proportional to 154,049,236.82, 212,593,088.03 and 84,434,796.08
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Solution
The fourth proportional to 154,049,236.82, 212,593,088.03 and 84,434,796.08 is: 116,522,836.51
Step by Step Solution
- Step 1: Write the proportion equation
154,049,236.82 : 212,593,088.03 = 84,434,796.08 : x - Step 2: Convert to fraction form
154,049,236.82/212,593,088.03 = 84,434,796.08/x - Step 3: Cross multiply
154,049,236.82x = 212,593,088.03 × 84,434,796.08 - Step 4: Simplify right side
154,049,236.82x = 17,950,254,035,830,538 - Step 5: Solve for x
x = 17,950,254,035,830,538/154,049,236.82 - Step 6: Final answer
x = 116,522,836.51
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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.