Finding the Fourth Proportional to 56,860,707.74, 78,461,141.54 and 32,081,286.96
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Solution
The fourth proportional to 56,860,707.74, 78,461,141.54 and 32,081,286.96 is: 44,268,432.40
Step by Step Solution
- Step 1: Write the proportion equation
56,860,707.74 : 78,461,141.54 = 32,081,286.96 : x - Step 2: Convert to fraction form
56,860,707.74/78,461,141.54 = 32,081,286.96/x - Step 3: Cross multiply
56,860,707.74x = 78,461,141.54 × 32,081,286.96 - Step 4: Simplify right side
56,860,707.74x = 2,517,134,396,793,510 - Step 5: Solve for x
x = 2,517,134,396,793,510/56,860,707.74 - Step 6: Final answer
x = 44,268,432.40
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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.