Finding the Fourth Proportional to 68,346,565.20, 102,519,847.80 and 27,943,621.20
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Solution
The fourth proportional to 68,346,565.20, 102,519,847.80 and 27,943,621.20 is: 41,915,431.80
Step by Step Solution
- Step 1: Write the proportion equation
68,346,565.20 : 102,519,847.80 = 27,943,621.20 : x - Step 2: Convert to fraction form
68,346,565.20/102,519,847.80 = 27,943,621.20/x - Step 3: Cross multiply
68,346,565.20x = 102,519,847.80 × 27,943,621.20 - Step 4: Simplify right side
68,346,565.20x = 2,864,775,792,404,853 - Step 5: Solve for x
x = 2,864,775,792,404,853/68,346,565.20 - Step 6: Final answer
x = 41,915,431.80
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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.