Finding the Fourth Proportional to 146,420,705.36, 202,078,492.80 and 84,540,940.04
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Solution
The fourth proportional to 146,420,705.36, 202,078,492.80 and 84,540,940.04 is: 116,676,843.63
Step by Step Solution
- Step 1: Write the proportion equation
146,420,705.36 : 202,078,492.80 = 84,540,940.04 : x - Step 2: Convert to fraction form
146,420,705.36/202,078,492.80 = 84,540,940.04/x - Step 3: Cross multiply
146,420,705.36x = 202,078,492.80 × 84,540,940.04 - Step 4: Simplify right side
146,420,705.36x = 17,083,905,743,178,374 - Step 5: Solve for x
x = 17,083,905,743,178,374/146,420,705.36 - Step 6: Final answer
x = 116,676,843.63
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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.