Finding the Fourth Proportional to 113,962,932.69, 170,961,424.62 and 36,242,372.19
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Solution
The fourth proportional to 113,962,932.69, 170,961,424.62 and 36,242,372.19 is: 54,368,972.75
Step by Step Solution
- Step 1: Write the proportion equation
113,962,932.69 : 170,961,424.62 = 36,242,372.19 : x - Step 2: Convert to fraction form
113,962,932.69/170,961,424.62 = 36,242,372.19/x - Step 3: Cross multiply
113,962,932.69x = 170,961,424.62 × 36,242,372.19 - Step 4: Simplify right side
113,962,932.69x = 6,196,047,581,919,549 - Step 5: Solve for x
x = 6,196,047,581,919,549/113,962,932.69 - Step 6: Final answer
x = 54,368,972.75
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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.