Finding the Fourth Proportional to 168,317,718.12, 232,238,983.14 and 102,236,375.88
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Solution
The fourth proportional to 168,317,718.12, 232,238,983.14 and 102,236,375.88 is: 141,062,225.89
Step by Step Solution
- Step 1: Write the proportion equation
168,317,718.12 : 232,238,983.14 = 102,236,375.88 : x - Step 2: Convert to fraction form
168,317,718.12/232,238,983.14 = 102,236,375.88/x - Step 3: Cross multiply
168,317,718.12x = 232,238,983.14 × 102,236,375.88 - Step 4: Simplify right side
168,317,718.12x = 23,743,271,974,290,020 - Step 5: Solve for x
x = 23,743,271,974,290,020/168,317,718.12 - Step 6: Final answer
x = 141,062,225.89
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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.