Finding the Fourth Proportional to 100,523,499.36, 138,682,537.98 and 58,129,224.96
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Solution
The fourth proportional to 100,523,499.36, 138,682,537.98 and 58,129,224.96 is: 80,195,262.80
Step by Step Solution
- Step 1: Write the proportion equation
100,523,499.36 : 138,682,537.98 = 58,129,224.96 : x - Step 2: Convert to fraction form
100,523,499.36/138,682,537.98 = 58,129,224.96/x - Step 3: Cross multiply
100,523,499.36x = 138,682,537.98 × 58,129,224.96 - Step 4: Simplify right side
100,523,499.36x = 8,061,508,448,263,163 - Step 5: Solve for x
x = 8,061,508,448,263,163/100,523,499.36 - Step 6: Final answer
x = 80,195,262.80
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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.