Finding the Fourth Proportional to 107,796,522.20, 161,718,402.90 and 53,235,246.20
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Solution
The fourth proportional to 107,796,522.20, 161,718,402.90 and 53,235,246.20 is: 79,864,533.82
Step by Step Solution
- Step 1: Write the proportion equation
107,796,522.20 : 161,718,402.90 = 53,235,246.20 : x - Step 2: Convert to fraction form
107,796,522.20/161,718,402.90 = 53,235,246.20/x - Step 3: Cross multiply
107,796,522.20x = 161,718,402.90 × 53,235,246.20 - Step 4: Simplify right side
107,796,522.20x = 8,609,118,993,452,295 - Step 5: Solve for x
x = 8,609,118,993,452,295/107,796,522.20 - Step 6: Final answer
x = 79,864,533.82
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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.