Finding the Fourth Proportional to 77,711,985.98, 107,251,944.86 and 44,229,606.24
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Solution
The fourth proportional to 77,711,985.98, 107,251,944.86 and 44,229,606.24 is: 61,042,209.00
Step by Step Solution
- Step 1: Write the proportion equation
77,711,985.98 : 107,251,944.86 = 44,229,606.24 : x - Step 2: Convert to fraction form
77,711,985.98/107,251,944.86 = 44,229,606.24/x - Step 3: Cross multiply
77,711,985.98x = 107,251,944.86 × 44,229,606.24 - Step 4: Simplify right side
77,711,985.98x = 4,743,711,289,631,992 - Step 5: Solve for x
x = 4,743,711,289,631,992/77,711,985.98 - Step 6: Final answer
x = 61,042,209.00
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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.