Finding the Fourth Proportional to 76,832,451.99, 115,248,874.82 and 31,394,246.49
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Solution
The fourth proportional to 76,832,451.99, 115,248,874.82 and 31,394,246.49 is: 47,091,450.16
Step by Step Solution
- Step 1: Write the proportion equation
76,832,451.99 : 115,248,874.82 = 31,394,246.49 : x - Step 2: Convert to fraction form
76,832,451.99/115,248,874.82 = 31,394,246.49/x - Step 3: Cross multiply
76,832,451.99x = 115,248,874.82 × 31,394,246.49 - Step 4: Simplify right side
76,832,451.99x = 3,618,151,583,637,263 - Step 5: Solve for x
x = 3,618,151,583,637,263/76,832,451.99 - Step 6: Final answer
x = 47,091,450.16
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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.