Finding the Fourth Proportional to 207,656,107.60, 311,484,161.40 and 207,656,107.60
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Solution
The fourth proportional to 207,656,107.60, 311,484,161.40 and 207,656,107.60 is: 311,484,161.40
Step by Step Solution
- Step 1: Write the proportion equation
207,656,107.60 : 311,484,161.40 = 207,656,107.60 : x - Step 2: Convert to fraction form
207,656,107.60/311,484,161.40 = 207,656,107.60/x - Step 3: Cross multiply
207,656,107.60x = 311,484,161.40 × 207,656,107.60 - Step 4: Simplify right side
207,656,107.60x = 64,681,588,535,374,160 - Step 5: Solve for x
x = 64,681,588,535,374,160/207,656,107.60 - Step 6: Final answer
x = 311,484,161.40
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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.