Finding the Fourth Proportional to 84,234,211.84, 116,232,530.64 and 49,414,197.76
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Solution
The fourth proportional to 84,234,211.84, 116,232,530.64 and 49,414,197.76 is: 68,185,326.72
Step by Step Solution
- Step 1: Write the proportion equation
84,234,211.84 : 116,232,530.64 = 49,414,197.76 : x - Step 2: Convert to fraction form
84,234,211.84/116,232,530.64 = 49,414,197.76/x - Step 3: Cross multiply
84,234,211.84x = 116,232,530.64 × 49,414,197.76 - Step 4: Simplify right side
84,234,211.84x = 5,743,537,255,190,219 - Step 5: Solve for x
x = 5,743,537,255,190,219/84,234,211.84 - Step 6: Final answer
x = 68,185,326.72
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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.