Finding the Fourth Proportional to 87,732,450.42, 121,072,628.76 and 48,041,648.10
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Solution
The fourth proportional to 87,732,450.42, 121,072,628.76 and 48,041,648.10 is: 66,298,485.88
Step by Step Solution
- Step 1: Write the proportion equation
87,732,450.42 : 121,072,628.76 = 48,041,648.10 : x - Step 2: Convert to fraction form
87,732,450.42/121,072,628.76 = 48,041,648.10/x - Step 3: Cross multiply
87,732,450.42x = 121,072,628.76 × 48,041,648.10 - Step 4: Simplify right side
87,732,450.42x = 5,816,528,625,429,860 - Step 5: Solve for x
x = 5,816,528,625,429,860/87,732,450.42 - Step 6: Final answer
x = 66,298,485.88
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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.