Finding the Fourth Proportional to 201,738,863.30, 302,608,294.95 and 120,109,525.70
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Solution
The fourth proportional to 201,738,863.30, 302,608,294.95 and 120,109,525.70 is: 180,164,288.55
Step by Step Solution
- Step 1: Write the proportion equation
201,738,863.30 : 302,608,294.95 = 120,109,525.70 : x - Step 2: Convert to fraction form
201,738,863.30/302,608,294.95 = 120,109,525.70/x - Step 3: Cross multiply
201,738,863.30x = 302,608,294.95 × 120,109,525.70 - Step 4: Simplify right side
201,738,863.30x = 36,346,138,779,330,208 - Step 5: Solve for x
x = 36,346,138,779,330,208/201,738,863.30 - Step 6: Final answer
x = 180,164,288.55
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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.