Finding the Fourth Proportional to 84,901,271.67, 117,164,151.68 and 48,233,854.71
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Solution
The fourth proportional to 84,901,271.67, 117,164,151.68 and 48,233,854.71 is: 66,562,944.91
Step by Step Solution
- Step 1: Write the proportion equation
84,901,271.67 : 117,164,151.68 = 48,233,854.71 : x - Step 2: Convert to fraction form
84,901,271.67/117,164,151.68 = 48,233,854.71/x - Step 3: Cross multiply
84,901,271.67x = 117,164,151.68 × 48,233,854.71 - Step 4: Simplify right side
84,901,271.67x = 5,651,278,669,112,353 - Step 5: Solve for x
x = 5,651,278,669,112,353/84,901,271.67 - Step 6: Final answer
x = 66,562,944.91
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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.