Finding the Fourth Proportional to 339,250,216.20, 508,875,324.30 and 121,146,829.80
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Solution
The fourth proportional to 339,250,216.20, 508,875,324.30 and 121,146,829.80 is: 181,720,244.70
Step by Step Solution
- Step 1: Write the proportion equation
339,250,216.20 : 508,875,324.30 = 121,146,829.80 : x - Step 2: Convert to fraction form
339,250,216.20/508,875,324.30 = 121,146,829.80/x - Step 3: Cross multiply
339,250,216.20x = 508,875,324.30 × 121,146,829.80 - Step 4: Simplify right side
339,250,216.20x = 61,648,632,302,391,904 - Step 5: Solve for x
x = 61,648,632,302,391,904/339,250,216.20 - Step 6: Final answer
x = 181,720,244.70
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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.