Finding the Fourth Proportional to 229,211,663.14, 316,339,519.53 and 135,147,101.86
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Solution
The fourth proportional to 229,211,663.14, 316,339,519.53 and 135,147,101.86 is: 186,519,170.46
Step by Step Solution
- Step 1: Write the proportion equation
229,211,663.14 : 316,339,519.53 = 135,147,101.86 : x - Step 2: Convert to fraction form
229,211,663.14/316,339,519.53 = 135,147,101.86/x - Step 3: Cross multiply
229,211,663.14x = 316,339,519.53 × 135,147,101.86 - Step 4: Simplify right side
229,211,663.14x = 42,752,369,268,264,368 - Step 5: Solve for x
x = 42,752,369,268,264,368/229,211,663.14 - Step 6: Final answer
x = 186,519,170.46
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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.