Finding the Fourth Proportional to 126,342,117.40, 189,654,893.70 and 97,715,162.20
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Solution
The fourth proportional to 126,342,117.40, 189,654,893.70 and 97,715,162.20 is: 146,682,350.12
Step by Step Solution
- Step 1: Write the proportion equation
126,342,117.40 : 189,654,893.70 = 97,715,162.20 : x - Step 2: Convert to fraction form
126,342,117.40/189,654,893.70 = 97,715,162.20/x - Step 3: Cross multiply
126,342,117.40x = 189,654,893.70 × 97,715,162.20 - Step 4: Simplify right side
126,342,117.40x = 18,532,158,699,919,256 - Step 5: Solve for x
x = 18,532,158,699,919,256/126,342,117.40 - Step 6: Final answer
x = 146,682,350.12
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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.