Finding the Fourth Proportional to 161,775,598.53, 242,673,613.24 and 68,385,155.62
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Solution
The fourth proportional to 161,775,598.53, 242,673,613.24 and 68,385,155.62 is: 102,582,051.66
Step by Step Solution
- Step 1: Write the proportion equation
161,775,598.53 : 242,673,613.24 = 68,385,155.62 : x - Step 2: Convert to fraction form
161,775,598.53/242,673,613.24 = 68,385,155.62/x - Step 3: Cross multiply
161,775,598.53x = 242,673,613.24 × 68,385,155.62 - Step 4: Simplify right side
161,775,598.53x = 16,595,272,805,943,168 - Step 5: Solve for x
x = 16,595,272,805,943,168/161,775,598.53 - Step 6: Final answer
x = 102,582,051.66
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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.