Finding the Fourth Proportional to 157,564,492.38, 217,475,279.73 and 92,395,391.58
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Solution
The fourth proportional to 157,564,492.38, 217,475,279.73 and 92,395,391.58 is: 127,526,915.02
Step by Step Solution
- Step 1: Write the proportion equation
157,564,492.38 : 217,475,279.73 = 92,395,391.58 : x - Step 2: Convert to fraction form
157,564,492.38/217,475,279.73 = 92,395,391.58/x - Step 3: Cross multiply
157,564,492.38x = 217,475,279.73 × 92,395,391.58 - Step 4: Simplify right side
157,564,492.38x = 20,093,713,629,623,384 - Step 5: Solve for x
x = 20,093,713,629,623,384/157,564,492.38 - Step 6: Final answer
x = 127,526,915.02
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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.