Finding the Fourth Proportional to 77,711,995.45, 107,251,957.97 and 44,229,615.71
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Solution
The fourth proportional to 77,711,995.45, 107,251,957.97 and 44,229,615.71 is: 61,042,222.09
Step by Step Solution
- Step 1: Write the proportion equation
77,711,995.45 : 107,251,957.97 = 44,229,615.71 : x - Step 2: Convert to fraction form
77,711,995.45/107,251,957.97 = 44,229,615.71/x - Step 3: Cross multiply
77,711,995.45x = 107,251,957.97 × 44,229,615.71 - Step 4: Simplify right side
77,711,995.45x = 4,743,712,885,595,795 - Step 5: Solve for x
x = 4,743,712,885,595,795/77,711,995.45 - Step 6: Final answer
x = 61,042,222.09
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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.