Finding the Fourth Proportional to 304,540,125.20, 420,272,782.44 and 165,316,593.68
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Solution
The fourth proportional to 304,540,125.20, 420,272,782.44 and 165,316,593.68 is: 228,140,921.54
Step by Step Solution
- Step 1: Write the proportion equation
304,540,125.20 : 420,272,782.44 = 165,316,593.68 : x - Step 2: Convert to fraction form
304,540,125.20/420,272,782.44 = 165,316,593.68/x - Step 3: Cross multiply
304,540,125.20x = 420,272,782.44 × 165,316,593.68 - Step 4: Simplify right side
304,540,125.20x = 69,478,064,809,396,520 - Step 5: Solve for x
x = 69,478,064,809,396,520/304,540,125.20 - Step 6: Final answer
x = 228,140,921.54
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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.