Finding the Fourth Proportional to 106,662,869.08, 147,194,073.66 and 60,268,142.68
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Solution
The fourth proportional to 106,662,869.08, 147,194,073.66 and 60,268,142.68 is: 83,169,649.47
Step by Step Solution
- Step 1: Write the proportion equation
106,662,869.08 : 147,194,073.66 = 60,268,142.68 : x - Step 2: Convert to fraction form
106,662,869.08/147,194,073.66 = 60,268,142.68/x - Step 3: Cross multiply
106,662,869.08x = 147,194,073.66 × 60,268,142.68 - Step 4: Simplify right side
106,662,869.08x = 8,871,113,432,991,310 - Step 5: Solve for x
x = 8,871,113,432,991,310/106,662,869.08 - Step 6: Final answer
x = 83,169,649.47
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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.