Finding the Fourth Proportional to 210,342,389.94, 290,287,527.57 and 116,254,512.99
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Solution
The fourth proportional to 210,342,389.94, 290,287,527.57 and 116,254,512.99 is: 160,439,534.58
Step by Step Solution
- Step 1: Write the proportion equation
210,342,389.94 : 290,287,527.57 = 116,254,512.99 : x - Step 2: Convert to fraction form
210,342,389.94/290,287,527.57 = 116,254,512.99/x - Step 3: Cross multiply
210,342,389.94x = 290,287,527.57 × 116,254,512.99 - Step 4: Simplify right side
210,342,389.94x = 33,747,235,144,721,544 - Step 5: Solve for x
x = 33,747,235,144,721,544/210,342,389.94 - Step 6: Final answer
x = 160,439,534.58
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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.