Finding the Fourth Proportional to 53,989,189.44, 74,504,877.24 and 29,209,298.40
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Solution
The fourth proportional to 53,989,189.44, 74,504,877.24 and 29,209,298.40 is: 40,308,721.32
Step by Step Solution
- Step 1: Write the proportion equation
53,989,189.44 : 74,504,877.24 = 29,209,298.40 : x - Step 2: Convert to fraction form
53,989,189.44/74,504,877.24 = 29,209,298.40/x - Step 3: Cross multiply
53,989,189.44x = 74,504,877.24 × 29,209,298.40 - Step 4: Simplify right side
53,989,189.44x = 2,176,235,191,558,528.25 - Step 5: Solve for x
x = 2,176,235,191,558,528.25/53,989,189.44 - Step 6: Final answer
x = 40,308,721.32
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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.