Finding the Fourth Proportional to 124,821,372.80, 186,867,105.60 and 88,989,564.80
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Solution
The fourth proportional to 124,821,372.80, 186,867,105.60 and 88,989,564.80 is: 133,224,158.89
Step by Step Solution
- Step 1: Write the proportion equation
124,821,372.80 : 186,867,105.60 = 88,989,564.80 : x - Step 2: Convert to fraction form
124,821,372.80/186,867,105.60 = 88,989,564.80/x - Step 3: Cross multiply
124,821,372.80x = 186,867,105.60 × 88,989,564.80 - Step 4: Simplify right side
124,821,372.80x = 16,629,222,402,779,642 - Step 5: Solve for x
x = 16,629,222,402,779,642/124,821,372.80 - Step 6: Final answer
x = 133,224,158.89
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.