Finding the Fourth Proportional to 272,043,138.06, 375,423,261.48 and 148,283,549.10
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Solution
The fourth proportional to 272,043,138.06, 375,423,261.48 and 148,283,549.10 is: 204,633,331.40
Step by Step Solution
- Step 1: Write the proportion equation
272,043,138.06 : 375,423,261.48 = 148,283,549.10 : x - Step 2: Convert to fraction form
272,043,138.06/375,423,261.48 = 148,283,549.10/x - Step 3: Cross multiply
272,043,138.06x = 375,423,261.48 × 148,283,549.10 - Step 4: Simplify right side
272,043,138.06x = 55,669,093,626,951,720 - Step 5: Solve for x
x = 55,669,093,626,951,720/272,043,138.06 - Step 6: Final answer
x = 204,633,331.40
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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.