Finding the Fourth Proportional to 77,253,479.46, 106,583,434.96 and 47,874,092.37
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Solution
The fourth proportional to 77,253,479.46, 106,583,434.96 and 47,874,092.37 is: 66,049,907.99
Step by Step Solution
- Step 1: Write the proportion equation
77,253,479.46 : 106,583,434.96 = 47,874,092.37 : x - Step 2: Convert to fraction form
77,253,479.46/106,583,434.96 = 47,874,092.37/x - Step 3: Cross multiply
77,253,479.46x = 106,583,434.96 × 47,874,092.37 - Step 4: Simplify right side
77,253,479.46x = 5,102,585,210,386,927 - Step 5: Solve for x
x = 5,102,585,210,386,927/77,253,479.46 - Step 6: Final answer
x = 66,049,907.99
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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.