Finding the Fourth Proportional to 192,168,135.54, 288,192,586.86 and 69,330,484.62
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Solution
The fourth proportional to 192,168,135.54, 288,192,586.86 and 69,330,484.62 is: 103,974,218.49
Step by Step Solution
- Step 1: Write the proportion equation
192,168,135.54 : 288,192,586.86 = 69,330,484.62 : x - Step 2: Convert to fraction form
192,168,135.54/288,192,586.86 = 69,330,484.62/x - Step 3: Cross multiply
192,168,135.54x = 288,192,586.86 × 69,330,484.62 - Step 4: Simplify right side
192,168,135.54x = 19,980,531,710,895,248 - Step 5: Solve for x
x = 19,980,531,710,895,248/192,168,135.54 - Step 6: Final answer
x = 103,974,218.49
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1.5x scale
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.