Finding the Fourth Proportional to 284,251,636.08, 426,418,069.14 and 87,531,666.48
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Solution
The fourth proportional to 284,251,636.08, 426,418,069.14 and 87,531,666.48 is: 131,310,006.60
Step by Step Solution
- Step 1: Write the proportion equation
284,251,636.08 : 426,418,069.14 = 87,531,666.48 : x - Step 2: Convert to fraction form
284,251,636.08/426,418,069.14 = 87,531,666.48/x - Step 3: Cross multiply
284,251,636.08x = 426,418,069.14 × 87,531,666.48 - Step 4: Simplify right side
284,251,636.08x = 37,325,084,209,008,064 - Step 5: Solve for x
x = 37,325,084,209,008,064/284,251,636.08 - Step 6: Final answer
x = 131,310,006.60
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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.