Finding the Fourth Proportional to 165,096,252.30, 247,644,378.45 and 93,432,636.30
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Solution
The fourth proportional to 165,096,252.30, 247,644,378.45 and 93,432,636.30 is: 140,148,954.45
Step by Step Solution
- Step 1: Write the proportion equation
165,096,252.30 : 247,644,378.45 = 93,432,636.30 : x - Step 2: Convert to fraction form
165,096,252.30/247,644,378.45 = 93,432,636.30/x - Step 3: Cross multiply
165,096,252.30x = 247,644,378.45 × 93,432,636.30 - Step 4: Simplify right side
165,096,252.30x = 23,138,067,143,458,404 - Step 5: Solve for x
x = 23,138,067,143,458,404/165,096,252.30 - Step 6: Final answer
x = 140,148,954.45
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1.5x scale
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.