Finding the Fourth Proportional to 214,213,311.96, 295,620,606.09 and 121,390,733.40
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Solution
The fourth proportional to 214,213,311.96, 295,620,606.09 and 121,390,733.40 is: 167,522,745.68
Step by Step Solution
- Step 1: Write the proportion equation
214,213,311.96 : 295,620,606.09 = 121,390,733.40 : x - Step 2: Convert to fraction form
214,213,311.96/295,620,606.09 = 121,390,733.40/x - Step 3: Cross multiply
214,213,311.96x = 295,620,606.09 × 121,390,733.40 - Step 4: Simplify right side
214,213,311.96x = 35,885,602,181,417,604 - Step 5: Solve for x
x = 35,885,602,181,417,604/214,213,311.96 - Step 6: Final answer
x = 167,522,745.68
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.