Finding the Fourth Proportional to 83,107,643.20, 124,661,464.80 and 62,952,251.20
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Solution
The fourth proportional to 83,107,643.20, 124,661,464.80 and 62,952,251.20 is: 94,428,376.80
Step by Step Solution
- Step 1: Write the proportion equation
83,107,643.20 : 124,661,464.80 = 62,952,251.20 : x - Step 2: Convert to fraction form
83,107,643.20/124,661,464.80 = 62,952,251.20/x - Step 3: Cross multiply
83,107,643.20x = 124,661,464.80 × 62,952,251.20 - Step 4: Simplify right side
83,107,643.20x = 7,847,719,847,049,558 - Step 5: Solve for x
x = 7,847,719,847,049,558/83,107,643.20 - Step 6: Final answer
x = 94,428,376.80
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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.