Finding the Fourth Proportional to 162,581,959.84, 243,821,544.72 and 53,389,130.08
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Solution
The fourth proportional to 162,581,959.84, 243,821,544.72 and 53,389,130.08 is: 80,066,817.87
Step by Step Solution
- Step 1: Write the proportion equation
162,581,959.84 : 243,821,544.72 = 53,389,130.08 : x - Step 2: Convert to fraction form
162,581,959.84/243,821,544.72 = 53,389,130.08/x - Step 3: Cross multiply
162,581,959.84x = 243,821,544.72 × 53,389,130.08 - Step 4: Simplify right side
162,581,959.84x = 13,017,420,167,362,616 - Step 5: Solve for x
x = 13,017,420,167,362,616/162,581,959.84 - Step 6: Final answer
x = 80,066,817.87
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.