Finding the Fourth Proportional to 88,387,490.73, 121,953,224.79 and 58,208,872.68
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Solution
The fourth proportional to 88,387,490.73, 121,953,224.79 and 58,208,872.68 is: 80,314,076.98
Step by Step Solution
- Step 1: Write the proportion equation
88,387,490.73 : 121,953,224.79 = 58,208,872.68 : x - Step 2: Convert to fraction form
88,387,490.73/121,953,224.79 = 58,208,872.68/x - Step 3: Cross multiply
88,387,490.73x = 121,953,224.79 × 58,208,872.68 - Step 4: Simplify right side
88,387,490.73x = 7,098,759,734,716,530 - Step 5: Solve for x
x = 7,098,759,734,716,530/88,387,490.73 - Step 6: Final answer
x = 80,314,076.98
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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.