Finding the Fourth Proportional to 120,077,578.44, 165,707,199.99 and 65,073,434.94
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Solution
The fourth proportional to 120,077,578.44, 165,707,199.99 and 65,073,434.94 is: 89,801,417.03
Step by Step Solution
- Step 1: Write the proportion equation
120,077,578.44 : 165,707,199.99 = 65,073,434.94 : x - Step 2: Convert to fraction form
120,077,578.44/165,707,199.99 = 65,073,434.94/x - Step 3: Cross multiply
120,077,578.44x = 165,707,199.99 × 65,073,434.94 - Step 4: Simplify right side
120,077,578.44x = 10,783,136,697,638,834 - Step 5: Solve for x
x = 10,783,136,697,638,834/120,077,578.44 - Step 6: Final answer
x = 89,801,417.03
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.