Finding the Fourth Proportional to 201,547,228.20, 302,320,842.30 and 86,512,194.60
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Solution
The fourth proportional to 201,547,228.20, 302,320,842.30 and 86,512,194.60 is: 129,768,291.90
Step by Step Solution
- Step 1: Write the proportion equation
201,547,228.20 : 302,320,842.30 = 86,512,194.60 : x - Step 2: Convert to fraction form
201,547,228.20/302,320,842.30 = 86,512,194.60/x - Step 3: Cross multiply
201,547,228.20x = 302,320,842.30 × 86,512,194.60 - Step 4: Simplify right side
201,547,228.20x = 26,154,439,540,693,512 - Step 5: Solve for x
x = 26,154,439,540,693,512/201,547,228.20 - Step 6: Final answer
x = 129,768,291.90
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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.