Finding the Fourth Proportional to 86,211,451.44, 129,334,212.68 and 31,624,543.80
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Solution
The fourth proportional to 86,211,451.44, 129,334,212.68 and 31,624,543.80 is: 47,443,064.76
Step by Step Solution
- Step 1: Write the proportion equation
86,211,451.44 : 129,334,212.68 = 31,624,543.80 : x - Step 2: Convert to fraction form
86,211,451.44/129,334,212.68 = 31,624,543.80/x - Step 3: Cross multiply
86,211,451.44x = 129,334,212.68 × 31,624,543.80 - Step 4: Simplify right side
86,211,451.44x = 4,090,135,473,579,052.50 - Step 5: Solve for x
x = 4,090,135,473,579,052.50/86,211,451.44 - Step 6: Final answer
x = 47,443,064.76
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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.