Finding the Fourth Proportional to 49,327,972.18, 68,067,989.25 and 29,477,798.30
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Solution
The fourth proportional to 49,327,972.18, 68,067,989.25 and 29,477,798.30 is: 40,676,605.37
Step by Step Solution
- Step 1: Write the proportion equation
49,327,972.18 : 68,067,989.25 = 29,477,798.30 : x - Step 2: Convert to fraction form
49,327,972.18/68,067,989.25 = 29,477,798.30/x - Step 3: Cross multiply
49,327,972.18x = 68,067,989.25 × 29,477,798.30 - Step 4: Simplify right side
49,327,972.18x = 2,006,494,457,857,696.50 - Step 5: Solve for x
x = 2,006,494,457,857,696.50/49,327,972.18 - Step 6: Final answer
x = 40,676,605.37
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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.