Finding the Fourth Proportional to 251,253,338.18, 346,495,678.14 and 163,053,027.86
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Solution
The fourth proportional to 251,253,338.18, 346,495,678.14 and 163,053,027.86 is: 224,861,368.49
Step by Step Solution
- Step 1: Write the proportion equation
251,253,338.18 : 346,495,678.14 = 163,053,027.86 : x - Step 2: Convert to fraction form
251,253,338.18/346,495,678.14 = 163,053,027.86/x - Step 3: Cross multiply
251,253,338.18x = 346,495,678.14 × 163,053,027.86 - Step 4: Simplify right side
251,253,338.18x = 56,497,169,461,131,016 - Step 5: Solve for x
x = 56,497,169,461,131,016/251,253,338.18 - Step 6: Final answer
x = 224,861,368.49
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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.