Finding the Fourth Proportional to 214,627,998.90, 322,048,286.55 and 122,582,417.70
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Solution
The fourth proportional to 214,627,998.90, 322,048,286.55 and 122,582,417.70 is: 183,934,331.88
Step by Step Solution
- Step 1: Write the proportion equation
214,627,998.90 : 322,048,286.55 = 122,582,417.70 : x - Step 2: Convert to fraction form
214,627,998.90/322,048,286.55 = 122,582,417.70/x - Step 3: Cross multiply
214,627,998.90x = 322,048,286.55 × 122,582,417.70 - Step 4: Simplify right side
214,627,998.90x = 39,477,457,581,441,392 - Step 5: Solve for x
x = 39,477,457,581,441,392/214,627,998.90 - Step 6: Final answer
x = 183,934,331.88
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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.