Finding the Fourth Proportional to 161,289,715.20, 241,934,572.80 and 40,121,167.20
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Solution
The fourth proportional to 161,289,715.20, 241,934,572.80 and 40,121,167.20 is: 60,181,750.80
Step by Step Solution
- Step 1: Write the proportion equation
161,289,715.20 : 241,934,572.80 = 40,121,167.20 : x - Step 2: Convert to fraction form
161,289,715.20/241,934,572.80 = 40,121,167.20/x - Step 3: Cross multiply
161,289,715.20x = 241,934,572.80 × 40,121,167.20 - Step 4: Simplify right side
161,289,715.20x = 9,706,697,446,769,374 - Step 5: Solve for x
x = 9,706,697,446,769,374/161,289,715.20 - Step 6: Final answer
x = 60,181,750.80
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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.