Finding the Fourth Proportional to 214,213,305.48, 295,620,597.12 and 121,390,726.92
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Solution
The fourth proportional to 214,213,305.48, 295,620,597.12 and 121,390,726.92 is: 167,522,736.73
Step by Step Solution
- Step 1: Write the proportion equation
214,213,305.48 : 295,620,597.12 = 121,390,726.92 : x - Step 2: Convert to fraction form
214,213,305.48/295,620,597.12 = 121,390,726.92/x - Step 3: Cross multiply
214,213,305.48x = 295,620,597.12 × 121,390,726.92 - Step 4: Simplify right side
214,213,305.48x = 35,885,599,176,921,260 - Step 5: Solve for x
x = 35,885,599,176,921,260/214,213,305.48 - Step 6: Final answer
x = 167,522,736.73
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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.