Finding the Fourth Proportional to 263,970,518.99, 364,276,957.43 and 144,889,584.56
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Solution
The fourth proportional to 263,970,518.99, 364,276,957.43 and 144,889,584.56 is: 199,946,331.99
Step by Step Solution
- Step 1: Write the proportion equation
263,970,518.99 : 364,276,957.43 = 144,889,584.56 : x - Step 2: Convert to fraction form
263,970,518.99/364,276,957.43 = 144,889,584.56/x - Step 3: Cross multiply
263,970,518.99x = 364,276,957.43 × 144,889,584.56 - Step 4: Simplify right side
263,970,518.99x = 52,779,937,024,267,680 - Step 5: Solve for x
x = 52,779,937,024,267,680/263,970,518.99 - Step 6: Final answer
x = 199,946,331.99
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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.