Finding the Fourth Proportional to 170,080,205.10, 255,120,307.65 and 115,660,646.70
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Solution
The fourth proportional to 170,080,205.10, 255,120,307.65 and 115,660,646.70 is: 173,490,970.05
Step by Step Solution
- Step 1: Write the proportion equation
170,080,205.10 : 255,120,307.65 = 115,660,646.70 : x - Step 2: Convert to fraction form
170,080,205.10/255,120,307.65 = 115,660,646.70/x - Step 3: Cross multiply
170,080,205.10x = 255,120,307.65 × 115,660,646.70 - Step 4: Simplify right side
170,080,205.10x = 29,507,379,769,101,960 - Step 5: Solve for x
x = 29,507,379,769,101,960/170,080,205.10 - Step 6: Final answer
x = 173,490,970.05
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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.