Finding the Fourth Proportional to 49,578,331.20, 68,419,758.52 and 27,552,758.96
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Solution
The fourth proportional to 49,578,331.20, 68,419,758.52 and 27,552,758.96 is: 38,023,730.71
Step by Step Solution
- Step 1: Write the proportion equation
49,578,331.20 : 68,419,758.52 = 27,552,758.96 : x - Step 2: Convert to fraction form
49,578,331.20/68,419,758.52 = 27,552,758.96/x - Step 3: Cross multiply
49,578,331.20x = 68,419,758.52 × 27,552,758.96 - Step 4: Simplify right side
49,578,331.20x = 1,885,153,114,602,966.25 - Step 5: Solve for x
x = 1,885,153,114,602,966.25/49,578,331.20 - Step 6: Final answer
x = 38,023,730.71
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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.