Finding the Fourth Proportional to 239,746,827.22, 330,850,622.73 and 129,738,541.30
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Solution
The fourth proportional to 239,746,827.22, 330,850,622.73 and 129,738,541.30 is: 179,039,187.63
Step by Step Solution
- Step 1: Write the proportion equation
239,746,827.22 : 330,850,622.73 = 129,738,541.30 : x - Step 2: Convert to fraction form
239,746,827.22/330,850,622.73 = 129,738,541.30/x - Step 3: Cross multiply
239,746,827.22x = 330,850,622.73 × 129,738,541.30 - Step 4: Simplify right side
239,746,827.22x = 42,924,077,181,186,824 - Step 5: Solve for x
x = 42,924,077,181,186,824/239,746,827.22 - Step 6: Final answer
x = 179,039,187.63
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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.