Finding the Fourth Proportional to 66,979,186.12, 100,322,299.59 and 47,489,335.08
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Solution
The fourth proportional to 66,979,186.12, 100,322,299.59 and 47,489,335.08 is: 71,130,146.20
Step by Step Solution
- Step 1: Write the proportion equation
66,979,186.12 : 100,322,299.59 = 47,489,335.08 : x - Step 2: Convert to fraction form
66,979,186.12/100,322,299.59 = 47,489,335.08/x - Step 3: Cross multiply
66,979,186.12x = 100,322,299.59 × 47,489,335.08 - Step 4: Simplify right side
66,979,186.12x = 4,764,239,301,225,657 - Step 5: Solve for x
x = 4,764,239,301,225,657/66,979,186.12 - Step 6: Final answer
x = 71,130,146.20
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.