Finding the Fourth Proportional to 207,264,828.20, 310,897,242.30 and 63,638,997.80
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Solution
The fourth proportional to 207,264,828.20, 310,897,242.30 and 63,638,997.80 is: 95,458,496.70
Step by Step Solution
- Step 1: Write the proportion equation
207,264,828.20 : 310,897,242.30 = 63,638,997.80 : x - Step 2: Convert to fraction form
207,264,828.20/310,897,242.30 = 63,638,997.80/x - Step 3: Cross multiply
207,264,828.20x = 310,897,242.30 × 63,638,997.80 - Step 4: Simplify right side
207,264,828.20x = 19,785,188,918,755,768 - Step 5: Solve for x
x = 19,785,188,918,755,768/207,264,828.20 - Step 6: Final answer
x = 95,458,496.70
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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.