Finding the Fourth Proportional to 293,641,834.10, 405,236,384.99 and 168,218,270.43
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Solution
The fourth proportional to 293,641,834.10, 405,236,384.99 and 168,218,270.43 is: 232,147,316.50
Step by Step Solution
- Step 1: Write the proportion equation
293,641,834.10 : 405,236,384.99 = 168,218,270.43 : x - Step 2: Convert to fraction form
293,641,834.10/405,236,384.99 = 168,218,270.43/x - Step 3: Cross multiply
293,641,834.10x = 405,236,384.99 × 168,218,270.43 - Step 4: Simplify right side
293,641,834.10x = 68,168,163,797,482,328 - Step 5: Solve for x
x = 68,168,163,797,482,328/293,641,834.10 - Step 6: Final answer
x = 232,147,316.50
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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.