Finding the Fourth Proportional to 68,552,761.49, 94,602,994.24 and 37,190,810.40
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Solution
The fourth proportional to 68,552,761.49, 94,602,994.24 and 37,190,810.40 is: 51,323,417.84
Step by Step Solution
- Step 1: Write the proportion equation
68,552,761.49 : 94,602,994.24 = 37,190,810.40 : x - Step 2: Convert to fraction form
68,552,761.49/94,602,994.24 = 37,190,810.40/x - Step 3: Cross multiply
68,552,761.49x = 94,602,994.24 × 37,190,810.40 - Step 4: Simplify right side
68,552,761.49x = 3,518,362,021,959,155 - Step 5: Solve for x
x = 3,518,362,021,959,155/68,552,761.49 - Step 6: Final answer
x = 51,323,417.84
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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.