Finding the Fourth Proportional to 86,276,135.34, 129,416,860.08 and 37,728,999.90
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Solution
The fourth proportional to 86,276,135.34, 129,416,860.08 and 37,728,999.90 is: 56,594,661.80
Step by Step Solution
- Step 1: Write the proportion equation
86,276,135.34 : 129,416,860.08 = 37,728,999.90 : x - Step 2: Convert to fraction form
86,276,135.34/129,416,860.08 = 37,728,999.90/x - Step 3: Cross multiply
86,276,135.34x = 129,416,860.08 × 37,728,999.90 - Step 4: Simplify right side
86,276,135.34x = 4,882,768,701,016,634 - Step 5: Solve for x
x = 4,882,768,701,016,634/86,276,135.34 - Step 6: Final answer
x = 56,594,661.80
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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.