Finding the Fourth Proportional to 129,534,319.68, 194,235,461.16 and 43,241,714.88
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Solution
The fourth proportional to 129,534,319.68, 194,235,461.16 and 43,241,714.88 is: 64,840,533.78
Step by Step Solution
- Step 1: Write the proportion equation
129,534,319.68 : 194,235,461.16 = 43,241,714.88 : x - Step 2: Convert to fraction form
129,534,319.68/194,235,461.16 = 43,241,714.88/x - Step 3: Cross multiply
129,534,319.68x = 194,235,461.16 × 43,241,714.88 - Step 4: Simplify right side
129,534,319.68x = 8,399,074,431,066,034 - Step 5: Solve for x
x = 8,399,074,431,066,034/129,534,319.68 - Step 6: Final answer
x = 64,840,533.78
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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.