Finding the Fourth Proportional to 153,852,163.80, 230,778,245.70 and 46,146,787.80
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Solution
The fourth proportional to 153,852,163.80, 230,778,245.70 and 46,146,787.80 is: 69,220,181.70
Step by Step Solution
- Step 1: Write the proportion equation
153,852,163.80 : 230,778,245.70 = 46,146,787.80 : x - Step 2: Convert to fraction form
153,852,163.80/230,778,245.70 = 46,146,787.80/x - Step 3: Cross multiply
153,852,163.80x = 230,778,245.70 × 46,146,787.80 - Step 4: Simplify right side
153,852,163.80x = 10,649,674,733,174,162 - Step 5: Solve for x
x = 10,649,674,733,174,162/153,852,163.80 - Step 6: Final answer
x = 69,220,181.70
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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.