Finding the Fourth Proportional to 220,314,511.95, 304,032,345.26 and 121,193,124.99
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Solution
The fourth proportional to 220,314,511.95, 304,032,345.26 and 121,193,124.99 is: 167,245,587.65
Step by Step Solution
- Step 1: Write the proportion equation
220,314,511.95 : 304,032,345.26 = 121,193,124.99 : x - Step 2: Convert to fraction form
220,314,511.95/304,032,345.26 = 121,193,124.99/x - Step 3: Cross multiply
220,314,511.95x = 304,032,345.26 × 121,193,124.99 - Step 4: Simplify right side
220,314,511.95x = 36,846,630,019,492,048 - Step 5: Solve for x
x = 36,846,630,019,492,048/220,314,511.95 - Step 6: Final answer
x = 167,245,587.65
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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.