Finding the Fourth Proportional to 306,460,228.60, 422,924,088 and 167,239,963.90
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Solution
The fourth proportional to 306,460,228.60, 422,924,088 and 167,239,963.90 is: 230,796,046.63
Step by Step Solution
- Step 1: Write the proportion equation
306,460,228.60 : 422,924,088 = 167,239,963.90 : x - Step 2: Convert to fraction form
306,460,228.60/422,924,088 = 167,239,963.90/x - Step 3: Cross multiply
306,460,228.60x = 422,924,088 × 167,239,963.90 - Step 4: Simplify right side
306,460,228.60x = 70,729,809,209,560,424 - Step 5: Solve for x
x = 70,729,809,209,560,424/306,460,228.60 - Step 6: Final answer
x = 230,796,046.63
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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.