Finding the Fourth Proportional to 81,391,654.21, 112,321,504.27 and 44,222,555.08
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Solution
The fourth proportional to 81,391,654.21, 112,321,504.27 and 44,222,555.08 is: 61,027,681.00
Step by Step Solution
- Step 1: Write the proportion equation
81,391,654.21 : 112,321,504.27 = 44,222,555.08 : x - Step 2: Convert to fraction form
81,391,654.21/112,321,504.27 = 44,222,555.08/x - Step 3: Cross multiply
81,391,654.21x = 112,321,504.27 × 44,222,555.08 - Step 4: Simplify right side
81,391,654.21x = 4,967,143,908,686,923 - Step 5: Solve for x
x = 4,967,143,908,686,923/81,391,654.21 - Step 6: Final answer
x = 61,027,681.00
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1.5x scale
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.