Finding the Fourth Proportional to 81,413,944.01, 122,020,865.97 and 37,635,484.75
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Solution
The fourth proportional to 81,413,944.01, 122,020,865.97 and 37,635,484.75 is: 56,406,976.67
Step by Step Solution
- Step 1: Write the proportion equation
81,413,944.01 : 122,020,865.97 = 37,635,484.75 : x - Step 2: Convert to fraction form
81,413,944.01/122,020,865.97 = 37,635,484.75/x - Step 3: Cross multiply
81,413,944.01x = 122,020,865.97 × 37,635,484.75 - Step 4: Simplify right side
81,413,944.01x = 4,592,314,440,395,729 - Step 5: Solve for x
x = 4,592,314,440,395,729/81,413,944.01 - Step 6: Final answer
x = 56,406,976.67
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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.