Finding the Fourth Proportional to 109,675,636.06, 163,532,924.92 and 106,662,365.60
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Solution
The fourth proportional to 109,675,636.06, 163,532,924.92 and 106,662,365.60 is: 159,039,958.66
Step by Step Solution
- Step 1: Write the proportion equation
109,675,636.06 : 163,532,924.92 = 106,662,365.60 : x - Step 2: Convert to fraction form
109,675,636.06/163,532,924.92 = 106,662,365.60/x - Step 3: Cross multiply
109,675,636.06x = 163,532,924.92 × 106,662,365.60 - Step 4: Simplify right side
109,675,636.06x = 17,442,808,625,454,388 - Step 5: Solve for x
x = 17,442,808,625,454,388/109,675,636.06 - Step 6: Final answer
x = 159,039,958.66
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.