Finding the Fourth Proportional to 135,477,183.79, 186,943,519.86 and 75,124,660.23
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Solution
The fourth proportional to 135,477,183.79, 186,943,519.86 and 75,124,660.23 is: 103,663,716.79
Step by Step Solution
- Step 1: Write the proportion equation
135,477,183.79 : 186,943,519.86 = 75,124,660.23 : x - Step 2: Convert to fraction form
135,477,183.79/186,943,519.86 = 75,124,660.23/x - Step 3: Cross multiply
135,477,183.79x = 186,943,519.86 × 75,124,660.23 - Step 4: Simplify right side
135,477,183.79x = 14,044,068,411,682,760 - Step 5: Solve for x
x = 14,044,068,411,682,760/135,477,183.79 - Step 6: Final answer
x = 103,663,716.79
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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.