Finding the Fourth Proportional to 47,476,490.58, 71,133,293.61 and 31,885,092.18
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Solution
The fourth proportional to 47,476,490.58, 71,133,293.61 and 31,885,092.18 is: 47,772,941.85
Step by Step Solution
- Step 1: Write the proportion equation
47,476,490.58 : 71,133,293.61 = 31,885,092.18 : x - Step 2: Convert to fraction form
47,476,490.58/71,133,293.61 = 31,885,092.18/x - Step 3: Cross multiply
47,476,490.58x = 71,133,293.61 × 31,885,092.18 - Step 4: Simplify right side
47,476,490.58x = 2,268,091,623,821,855 - Step 5: Solve for x
x = 2,268,091,623,821,855/47,476,490.58 - Step 6: Final answer
x = 47,772,941.85
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.