Finding the Fourth Proportional to 202,391,508.94, 303,393,320.21 and 85,646,267.46
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Solution
The fourth proportional to 202,391,508.94, 303,393,320.21 and 85,646,267.46 is: 128,387,330.01
Step by Step Solution
- Step 1: Write the proportion equation
202,391,508.94 : 303,393,320.21 = 85,646,267.46 : x - Step 2: Convert to fraction form
202,391,508.94/303,393,320.21 = 85,646,267.46/x - Step 3: Cross multiply
202,391,508.94x = 303,393,320.21 × 85,646,267.46 - Step 4: Simplify right side
202,391,508.94x = 25,984,505,448,497,196 - Step 5: Solve for x
x = 25,984,505,448,497,196/202,391,508.94 - Step 6: Final answer
x = 128,387,330.01
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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.