Finding the Fourth Proportional to 116,415,293.95, 160,612,533.69 and 74,622,403.29
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Solution
The fourth proportional to 116,415,293.95, 160,612,533.69 and 74,622,403.29 is: 102,952,909.84
Step by Step Solution
- Step 1: Write the proportion equation
116,415,293.95 : 160,612,533.69 = 74,622,403.29 : x - Step 2: Convert to fraction form
116,415,293.95/160,612,533.69 = 74,622,403.29/x - Step 3: Cross multiply
116,415,293.95x = 160,612,533.69 × 74,622,403.29 - Step 4: Simplify right side
116,415,293.95x = 11,985,293,261,862,908 - Step 5: Solve for x
x = 11,985,293,261,862,908/116,415,293.95 - Step 6: Final answer
x = 102,952,909.84
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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.