Finding the Fourth Proportional to 106,931,851.99, 147,540,661.26 and 60,522,105.94
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Solution
The fourth proportional to 106,931,851.99, 147,540,661.26 and 60,522,105.94 is: 83,506,189.83
Step by Step Solution
- Step 1: Write the proportion equation
106,931,851.99 : 147,540,661.26 = 60,522,105.94 : x - Step 2: Convert to fraction form
106,931,851.99/147,540,661.26 = 60,522,105.94/x - Step 3: Cross multiply
106,931,851.99x = 147,540,661.26 × 60,522,105.94 - Step 4: Simplify right side
106,931,851.99x = 8,929,471,531,235,373 - Step 5: Solve for x
x = 8,929,471,531,235,373/106,931,851.99 - Step 6: Final answer
x = 83,506,189.83
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.