Finding the Fourth Proportional to 47,635,649.08, 65,712,958.05 and 31,125,425.92
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Solution
The fourth proportional to 47,635,649.08, 65,712,958.05 and 31,125,425.92 is: 42,937,250.72
Step by Step Solution
- Step 1: Write the proportion equation
47,635,649.08 : 65,712,958.05 = 31,125,425.92 : x - Step 2: Convert to fraction form
47,635,649.08/65,712,958.05 = 31,125,425.92/x - Step 3: Cross multiply
47,635,649.08x = 65,712,958.05 × 31,125,425.92 - Step 4: Simplify right side
47,635,649.08x = 2,045,343,807,769,342.75 - Step 5: Solve for x
x = 2,045,343,807,769,342.75/47,635,649.08 - Step 6: Final answer
x = 42,937,250.72
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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.