Finding the Fourth Proportional to 179,772,482.51, 248,015,439.08 and 104,405,980.79
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Solution
The fourth proportional to 179,772,482.51, 248,015,439.08 and 104,405,980.79 is: 144,039,258.99
Step by Step Solution
- Step 1: Write the proportion equation
179,772,482.51 : 248,015,439.08 = 104,405,980.79 : x - Step 2: Convert to fraction form
179,772,482.51/248,015,439.08 = 104,405,980.79/x - Step 3: Cross multiply
179,772,482.51x = 248,015,439.08 × 104,405,980.79 - Step 4: Simplify right side
179,772,482.51x = 25,894,295,167,687,864 - Step 5: Solve for x
x = 25,894,295,167,687,864/179,772,482.51 - Step 6: Final answer
x = 144,039,258.99
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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.