Finding the Fourth Proportional to 133,297,040.76, 183,989,021.85 and 77,555,572.08
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Solution
The fourth proportional to 133,297,040.76, 183,989,021.85 and 77,555,572.08 is: 107,049,442.09
Step by Step Solution
- Step 1: Write the proportion equation
133,297,040.76 : 183,989,021.85 = 77,555,572.08 : x - Step 2: Convert to fraction form
133,297,040.76/183,989,021.85 = 77,555,572.08/x - Step 3: Cross multiply
133,297,040.76x = 183,989,021.85 × 77,555,572.08 - Step 4: Simplify right side
133,297,040.76x = 14,269,373,846,016,370 - Step 5: Solve for x
x = 14,269,373,846,016,370/133,297,040.76 - Step 6: Final answer
x = 107,049,442.09
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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.