Finding the Fourth Proportional to 117,119,467.45, 174,632,122.20 and 113,901,683.09
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Solution
The fourth proportional to 117,119,467.45, 174,632,122.20 and 113,901,683.09 is: 169,834,213.50
Step by Step Solution
- Step 1: Write the proportion equation
117,119,467.45 : 174,632,122.20 = 113,901,683.09 : x - Step 2: Convert to fraction form
117,119,467.45/174,632,122.20 = 113,901,683.09/x - Step 3: Cross multiply
117,119,467.45x = 174,632,122.20 × 113,901,683.09 - Step 4: Simplify right side
117,119,467.45x = 19,890,892,639,285,392 - Step 5: Solve for x
x = 19,890,892,639,285,392/117,119,467.45 - Step 6: Final answer
x = 169,834,213.50
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.