Finding the Fourth Proportional to 242,979,370.99, 335,311,314.73 and 137,155,062.04
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Solution
The fourth proportional to 242,979,370.99, 335,311,314.73 and 137,155,062.04 is: 189,273,862.99
Step by Step Solution
- Step 1: Write the proportion equation
242,979,370.99 : 335,311,314.73 = 137,155,062.04 : x - Step 2: Convert to fraction form
242,979,370.99/335,311,314.73 = 137,155,062.04/x - Step 3: Cross multiply
242,979,370.99x = 335,311,314.73 × 137,155,062.04 - Step 4: Simplify right side
242,979,370.99x = 45,989,644,174,507,112 - Step 5: Solve for x
x = 45,989,644,174,507,112/242,979,370.99 - Step 6: Final answer
x = 189,273,862.99
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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.