Finding the Fourth Proportional to 268,336,353.14, 402,513,497.82 and 74,231,513.70
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Solution
The fourth proportional to 268,336,353.14, 402,513,497.82 and 74,231,513.70 is: 111,349,751.45
Step by Step Solution
- Step 1: Write the proportion equation
268,336,353.14 : 402,513,497.82 = 74,231,513.70 : x - Step 2: Convert to fraction form
268,336,353.14/402,513,497.82 = 74,231,513.70/x - Step 3: Cross multiply
268,336,353.14x = 402,513,497.82 × 74,231,513.70 - Step 4: Simplify right side
268,336,353.14x = 29,879,186,227,860,252 - Step 5: Solve for x
x = 29,879,186,227,860,252/268,336,353.14 - Step 6: Final answer
x = 111,349,751.45
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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.