Finding the Fourth Proportional to 146,681,032.95, 202,217,562.11 and 117,012,379.05
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Solution
The fourth proportional to 146,681,032.95, 202,217,562.11 and 117,012,379.05 is: 161,315,730.82
Step by Step Solution
- Step 1: Write the proportion equation
146,681,032.95 : 202,217,562.11 = 117,012,379.05 : x - Step 2: Convert to fraction form
146,681,032.95/202,217,562.11 = 117,012,379.05/x - Step 3: Cross multiply
146,681,032.95x = 202,217,562.11 × 117,012,379.05 - Step 4: Simplify right side
146,681,032.95x = 23,661,958,027,171,152 - Step 5: Solve for x
x = 23,661,958,027,171,152/146,681,032.95 - Step 6: Final answer
x = 161,315,730.82
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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.