Finding the Fourth Proportional to 147,649,601.80, 221,474,402.70 and 39,944,225.80
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Solution
The fourth proportional to 147,649,601.80, 221,474,402.70 and 39,944,225.80 is: 59,916,338.70
Step by Step Solution
- Step 1: Write the proportion equation
147,649,601.80 : 221,474,402.70 = 39,944,225.80 : x - Step 2: Convert to fraction form
147,649,601.80/221,474,402.70 = 39,944,225.80/x - Step 3: Cross multiply
147,649,601.80x = 221,474,402.70 × 39,944,225.80 - Step 4: Simplify right side
147,649,601.80x = 8,846,623,550,368,929 - Step 5: Solve for x
x = 8,846,623,550,368,929/147,649,601.80 - Step 6: Final answer
x = 59,916,338.70
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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.