Finding the Fourth Proportional to 100,707,243.99, 151,060,359.53 and 87,018,739.91
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Solution
The fourth proportional to 100,707,243.99, 151,060,359.53 and 87,018,739.91 is: 130,527,672.26
Step by Step Solution
- Step 1: Write the proportion equation
100,707,243.99 : 151,060,359.53 = 87,018,739.91 : x - Step 2: Convert to fraction form
100,707,243.99/151,060,359.53 = 87,018,739.91/x - Step 3: Cross multiply
100,707,243.99x = 151,060,359.53 × 87,018,739.91 - Step 4: Simplify right side
100,707,243.99x = 13,145,082,137,247,356 - Step 5: Solve for x
x = 13,145,082,137,247,356/100,707,243.99 - Step 6: Final answer
x = 130,527,672.26
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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.