Finding the Fourth Proportional to 79,998,535.83, 110,406,938.79 and 45,193,468.24
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Solution
The fourth proportional to 79,998,535.83, 110,406,938.79 and 45,193,468.24 is: 62,372,047.56
Step by Step Solution
- Step 1: Write the proportion equation
79,998,535.83 : 110,406,938.79 = 45,193,468.24 : x - Step 2: Convert to fraction form
79,998,535.83/110,406,938.79 = 45,193,468.24/x - Step 3: Cross multiply
79,998,535.83x = 110,406,938.79 × 45,193,468.24 - Step 4: Simplify right side
79,998,535.83x = 4,989,672,481,681,490 - Step 5: Solve for x
x = 4,989,672,481,681,490/79,998,535.83 - Step 6: Final answer
x = 62,372,047.56
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.