Finding the Fourth Proportional to 163,199,514.66, 225,219,368.88 and 88,864,150.38
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Solution
The fourth proportional to 163,199,514.66, 225,219,368.88 and 88,864,150.38 is: 122,634,726.62
Step by Step Solution
- Step 1: Write the proportion equation
163,199,514.66 : 225,219,368.88 = 88,864,150.38 : x - Step 2: Convert to fraction form
163,199,514.66/225,219,368.88 = 88,864,150.38/x - Step 3: Cross multiply
163,199,514.66x = 225,219,368.88 × 88,864,150.38 - Step 4: Simplify right side
163,199,514.66x = 20,013,927,864,641,012 - Step 5: Solve for x
x = 20,013,927,864,641,012/163,199,514.66 - Step 6: Final answer
x = 122,634,726.62
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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.