Finding the Fourth Proportional to 165,888,803.80, 248,833,205.70 and 125,578,019.80
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Solution
The fourth proportional to 165,888,803.80, 248,833,205.70 and 125,578,019.80 is: 188,367,029.70
Step by Step Solution
- Step 1: Write the proportion equation
165,888,803.80 : 248,833,205.70 = 125,578,019.80 : x - Step 2: Convert to fraction form
165,888,803.80/248,833,205.70 = 125,578,019.80/x - Step 3: Cross multiply
165,888,803.80x = 248,833,205.70 × 125,578,019.80 - Step 4: Simplify right side
165,888,803.80x = 31,247,981,232,292,072 - Step 5: Solve for x
x = 31,247,981,232,292,072/165,888,803.80 - Step 6: Final answer
x = 188,367,029.70
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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.