Finding the Fourth Proportional to 332,206,030.70, 498,487,513.89 and 138,251,163.50
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Solution
The fourth proportional to 332,206,030.70, 498,487,513.89 and 138,251,163.50 is: 207,451,016.59
Step by Step Solution
- Step 1: Write the proportion equation
332,206,030.70 : 498,487,513.89 = 138,251,163.50 : x - Step 2: Convert to fraction form
332,206,030.70/498,487,513.89 = 138,251,163.50/x - Step 3: Cross multiply
332,206,030.70x = 498,487,513.89 × 138,251,163.50 - Step 4: Simplify right side
332,206,030.70x = 68,916,478,785,514,912 - Step 5: Solve for x
x = 68,916,478,785,514,912/332,206,030.70 - Step 6: Final answer
x = 207,451,016.59
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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.