Finding the Fourth Proportional to 90,811,294.44, 125,319,551.80 and 49,558,186.80
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Solution
The fourth proportional to 90,811,294.44, 125,319,551.80 and 49,558,186.80 is: 68,390,278.94
Step by Step Solution
- Step 1: Write the proportion equation
90,811,294.44 : 125,319,551.80 = 49,558,186.80 : x - Step 2: Convert to fraction form
90,811,294.44/125,319,551.80 = 49,558,186.80/x - Step 3: Cross multiply
90,811,294.44x = 125,319,551.80 × 49,558,186.80 - Step 4: Simplify right side
90,811,294.44x = 6,210,609,757,796,676 - Step 5: Solve for x
x = 6,210,609,757,796,676/90,811,294.44 - Step 6: Final answer
x = 68,390,278.94
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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.