Finding the Fourth Proportional to 136,737,722.17, 205,139,213.16 and 44,621,631.62
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Solution
The fourth proportional to 136,737,722.17, 205,139,213.16 and 44,621,631.62 is: 66,943,095.55
Step by Step Solution
- Step 1: Write the proportion equation
136,737,722.17 : 205,139,213.16 = 44,621,631.62 : x - Step 2: Convert to fraction form
136,737,722.17/205,139,213.16 = 44,621,631.62/x - Step 3: Cross multiply
136,737,722.17x = 205,139,213.16 × 44,621,631.62 - Step 4: Simplify right side
136,737,722.17x = 9,153,646,400,146,632 - Step 5: Solve for x
x = 9,153,646,400,146,632/136,737,722.17 - Step 6: Final answer
x = 66,943,095.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.