Finding the Fourth Proportional to 98,118,214.71, 135,397,035.38 and 54,062,748.16
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Solution
The fourth proportional to 98,118,214.71, 135,397,035.38 and 54,062,748.16 is: 74,603,230.88
Step by Step Solution
- Step 1: Write the proportion equation
98,118,214.71 : 135,397,035.38 = 54,062,748.16 : x - Step 2: Convert to fraction form
98,118,214.71/135,397,035.38 = 54,062,748.16/x - Step 3: Cross multiply
98,118,214.71x = 135,397,035.38 × 54,062,748.16 - Step 4: Simplify right side
98,118,214.71x = 7,319,935,825,359,549 - Step 5: Solve for x
x = 7,319,935,825,359,549/98,118,214.71 - Step 6: Final answer
x = 74,603,230.88
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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.