Finding the Fourth Proportional to 165,888,137.80, 248,832,206.70 and 154,550,729.80
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Solution
The fourth proportional to 165,888,137.80, 248,832,206.70 and 154,550,729.80 is: 231,826,094.70
Step by Step Solution
- Step 1: Write the proportion equation
165,888,137.80 : 248,832,206.70 = 154,550,729.80 : x - Step 2: Convert to fraction form
165,888,137.80/248,832,206.70 = 154,550,729.80/x - Step 3: Cross multiply
165,888,137.80x = 248,832,206.70 × 154,550,729.80 - Step 4: Simplify right side
165,888,137.80x = 38,457,199,143,229,448 - Step 5: Solve for x
x = 38,457,199,143,229,448/165,888,137.80 - Step 6: Final answer
x = 231,826,094.70
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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.