Finding the Fourth Proportional to 135,253,626.81, 186,634,258.56 and 75,718,182.99
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Solution
The fourth proportional to 135,253,626.81, 186,634,258.56 and 75,718,182.99 is: 104,482,277.30
Step by Step Solution
- Step 1: Write the proportion equation
135,253,626.81 : 186,634,258.56 = 75,718,182.99 : x - Step 2: Convert to fraction form
135,253,626.81/186,634,258.56 = 75,718,182.99/x - Step 3: Cross multiply
135,253,626.81x = 186,634,258.56 × 75,718,182.99 - Step 4: Simplify right side
135,253,626.81x = 14,131,606,941,849,054 - Step 5: Solve for x
x = 14,131,606,941,849,054/135,253,626.81 - Step 6: Final answer
x = 104,482,277.30
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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.