Finding the Fourth Proportional to 65,769,409.20, 98,512,396.20 and 54,432,001.20
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Solution
The fourth proportional to 65,769,409.20, 98,512,396.20 and 54,432,001.20 is: 81,530,713.65
Step by Step Solution
- Step 1: Write the proportion equation
65,769,409.20 : 98,512,396.20 = 54,432,001.20 : x - Step 2: Convert to fraction form
65,769,409.20/98,512,396.20 = 54,432,001.20/x - Step 3: Cross multiply
65,769,409.20x = 98,512,396.20 × 54,432,001.20 - Step 4: Simplify right side
65,769,409.20x = 5,362,226,868,173,276 - Step 5: Solve for x
x = 5,362,226,868,173,276/65,769,409.20 - Step 6: Final answer
x = 81,530,713.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.