Finding the Fourth Proportional to 71,331,997.04, 98,468,289.60 and 48,158,512.64
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Solution
The fourth proportional to 71,331,997.04, 98,468,289.60 and 48,158,512.64 is: 66,479,091.66
Step by Step Solution
- Step 1: Write the proportion equation
71,331,997.04 : 98,468,289.60 = 48,158,512.64 : x - Step 2: Convert to fraction form
71,331,997.04/98,468,289.60 = 48,158,512.64/x - Step 3: Cross multiply
71,331,997.04x = 98,468,289.60 × 48,158,512.64 - Step 4: Simplify right side
71,331,997.04x = 4,742,086,369,340,780 - Step 5: Solve for x
x = 4,742,086,369,340,780/71,331,997.04 - Step 6: Final answer
x = 66,479,091.66
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.