Finding the Fourth Proportional to 84,465,114.39, 126,745,599.99 and 45,603,048.40
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Solution
The fourth proportional to 84,465,114.39, 126,745,599.99 and 45,603,048.40 is: 68,430,449.33
Step by Step Solution
- Step 1: Write the proportion equation
84,465,114.39 : 126,745,599.99 = 45,603,048.40 : x - Step 2: Convert to fraction form
84,465,114.39/126,745,599.99 = 45,603,048.40/x - Step 3: Cross multiply
84,465,114.39x = 126,745,599.99 × 45,603,048.40 - Step 4: Simplify right side
84,465,114.39x = 5,779,985,730,685,157 - Step 5: Solve for x
x = 5,779,985,730,685,157/84,465,114.39 - Step 6: Final answer
x = 68,430,449.33
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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.