Finding the Fourth Proportional to 155,418,684.76, 214,574,578.90 and 98,935,300.68
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Solution
The fourth proportional to 155,418,684.76, 214,574,578.90 and 98,935,300.68 is: 136,592,331.32
Step by Step Solution
- Step 1: Write the proportion equation
155,418,684.76 : 214,574,578.90 = 98,935,300.68 : x - Step 2: Convert to fraction form
155,418,684.76/214,574,578.90 = 98,935,300.68/x - Step 3: Cross multiply
155,418,684.76x = 214,574,578.90 × 98,935,300.68 - Step 4: Simplify right side
155,418,684.76x = 21,229,000,481,755,884 - Step 5: Solve for x
x = 21,229,000,481,755,884/155,418,684.76 - Step 6: Final answer
x = 136,592,331.32
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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.