Finding the Fourth Proportional to 98,411,254.20, 147,616,881.30 and 91,244,892.60
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Solution
The fourth proportional to 98,411,254.20, 147,616,881.30 and 91,244,892.60 is: 136,867,338.90
Step by Step Solution
- Step 1: Write the proportion equation
98,411,254.20 : 147,616,881.30 = 91,244,892.60 : x - Step 2: Convert to fraction form
98,411,254.20/147,616,881.30 = 91,244,892.60/x - Step 3: Cross multiply
98,411,254.20x = 147,616,881.30 × 91,244,892.60 - Step 4: Simplify right side
98,411,254.20x = 13,469,286,480,165,448 - Step 5: Solve for x
x = 13,469,286,480,165,448/98,411,254.20 - Step 6: Final answer
x = 136,867,338.90
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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.