Finding the Fourth Proportional to 57,703,504.18, 79,630,833.88 and 31,599,617.98
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Solution
The fourth proportional to 57,703,504.18, 79,630,833.88 and 31,599,617.98 is: 43,607,471.78
Step by Step Solution
- Step 1: Write the proportion equation
57,703,504.18 : 79,630,833.88 = 31,599,617.98 : x - Step 2: Convert to fraction form
57,703,504.18/79,630,833.88 = 31,599,617.98/x - Step 3: Cross multiply
57,703,504.18x = 79,630,833.88 × 31,599,617.98 - Step 4: Simplify right side
57,703,504.18x = 2,516,303,930,036,841 - Step 5: Solve for x
x = 2,516,303,930,036,841/57,703,504.18 - Step 6: Final answer
x = 43,607,471.78
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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.