Finding the Fourth Proportional to 168,264,727.88, 252,429,814.80 and 64,626,351.75
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Solution
The fourth proportional to 168,264,727.88, 252,429,814.80 and 64,626,351.75 is: 96,952,095.72
Step by Step Solution
- Step 1: Write the proportion equation
168,264,727.88 : 252,429,814.80 = 64,626,351.75 : x - Step 2: Convert to fraction form
168,264,727.88/252,429,814.80 = 64,626,351.75/x - Step 3: Cross multiply
168,264,727.88x = 252,429,814.80 × 64,626,351.75 - Step 4: Simplify right side
168,264,727.88x = 16,313,618,003,452,156 - Step 5: Solve for x
x = 16,313,618,003,452,156/168,264,727.88 - Step 6: Final answer
x = 96,952,095.72
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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.