Finding the Fourth Proportional to 87,245,378.64, 130,868,379 and 26,660,851.92
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Solution
The fourth proportional to 87,245,378.64, 130,868,379 and 26,660,851.92 is: 39,991,372.93
Step by Step Solution
- Step 1: Write the proportion equation
87,245,378.64 : 130,868,379 = 26,660,851.92 : x - Step 2: Convert to fraction form
87,245,378.64/130,868,379 = 26,660,851.92/x - Step 3: Cross multiply
87,245,378.64x = 130,868,379 × 26,660,851.92 - Step 4: Simplify right side
87,245,378.64x = 3,489,062,473,529,438 - Step 5: Solve for x
x = 3,489,062,473,529,438/87,245,378.64 - Step 6: Final answer
x = 39,991,372.93
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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.