Finding the Fourth Proportional to 203,800,326.89, 281,237,062.91 and 124,547,977.62
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Solution
The fourth proportional to 203,800,326.89, 281,237,062.91 and 124,547,977.62 is: 171,871,693.99
Step by Step Solution
- Step 1: Write the proportion equation
203,800,326.89 : 281,237,062.91 = 124,547,977.62 : x - Step 2: Convert to fraction form
203,800,326.89/281,237,062.91 = 124,547,977.62/x - Step 3: Cross multiply
203,800,326.89x = 281,237,062.91 × 124,547,977.62 - Step 4: Simplify right side
203,800,326.89x = 35,027,507,416,606,468 - Step 5: Solve for x
x = 35,027,507,416,606,468/203,800,326.89 - Step 6: Final answer
x = 171,871,693.99
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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.