Finding the Fourth Proportional to 217,103,999.10, 325,655,998.65 and 125,270,994.30
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Solution
The fourth proportional to 217,103,999.10, 325,655,998.65 and 125,270,994.30 is: 187,906,491.45
Step by Step Solution
- Step 1: Write the proportion equation
217,103,999.10 : 325,655,998.65 = 125,270,994.30 : x - Step 2: Convert to fraction form
217,103,999.10/325,655,998.65 = 125,270,994.30/x - Step 3: Cross multiply
217,103,999.10x = 325,655,998.65 × 125,270,994.30 - Step 4: Simplify right side
217,103,999.10x = 40,795,250,750,644,952 - Step 5: Solve for x
x = 40,795,250,750,644,952/217,103,999.10 - Step 6: Final answer
x = 187,906,491.45
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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.