Finding the Fourth Proportional to 129,225,161.87, 178,331,277.83 and 70,489,106.99
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Solution
The fourth proportional to 129,225,161.87, 178,331,277.83 and 70,489,106.99 is: 97,275,270.08
Step by Step Solution
- Step 1: Write the proportion equation
129,225,161.87 : 178,331,277.83 = 70,489,106.99 : x - Step 2: Convert to fraction form
129,225,161.87/178,331,277.83 = 70,489,106.99/x - Step 3: Cross multiply
129,225,161.87x = 178,331,277.83 × 70,489,106.99 - Step 4: Simplify right side
129,225,161.87x = 12,570,412,521,378,182 - Step 5: Solve for x
x = 12,570,412,521,378,182/129,225,161.87 - Step 6: Final answer
x = 97,275,270.08
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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.