Finding the Fourth Proportional to 83,542,678.44, 125,313,845.40 and 47,134,541.27
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Solution
The fourth proportional to 83,542,678.44, 125,313,845.40 and 47,134,541.27 is: 70,701,714.71
Step by Step Solution
- Step 1: Write the proportion equation
83,542,678.44 : 125,313,845.40 = 47,134,541.27 : x - Step 2: Convert to fraction form
83,542,678.44/125,313,845.40 = 47,134,541.27/x - Step 3: Cross multiply
83,542,678.44x = 125,313,845.40 × 47,134,541.27 - Step 4: Simplify right side
83,542,678.44x = 5,906,610,617,082,131 - Step 5: Solve for x
x = 5,906,610,617,082,131/83,542,678.44 - Step 6: Final answer
x = 70,701,714.71
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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.