Finding the Fourth Proportional to 227,411,047.19, 313,827,454.72 and 122,989,118.58
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Solution
The fourth proportional to 227,411,047.19, 313,827,454.72 and 122,989,118.58 is: 169,725,096.99
Step by Step Solution
- Step 1: Write the proportion equation
227,411,047.19 : 313,827,454.72 = 122,989,118.58 : x - Step 2: Convert to fraction form
227,411,047.19/313,827,454.72 = 122,989,118.58/x - Step 3: Cross multiply
227,411,047.19x = 313,827,454.72 × 122,989,118.58 - Step 4: Simplify right side
227,411,047.19x = 38,597,362,042,370,168 - Step 5: Solve for x
x = 38,597,362,042,370,168/227,411,047.19 - Step 6: Final answer
x = 169,725,096.99
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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.