Finding the Fourth Proportional to 245,625,713.20, 368,438,569.80 and 63,872,891.20
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Solution
The fourth proportional to 245,625,713.20, 368,438,569.80 and 63,872,891.20 is: 95,809,336.80
Step by Step Solution
- Step 1: Write the proportion equation
245,625,713.20 : 368,438,569.80 = 63,872,891.20 : x - Step 2: Convert to fraction form
245,625,713.20/368,438,569.80 = 63,872,891.20/x - Step 3: Cross multiply
245,625,713.20x = 368,438,569.80 × 63,872,891.20 - Step 4: Simplify right side
245,625,713.20x = 23,533,236,682,719,008 - Step 5: Solve for x
x = 23,533,236,682,719,008/245,625,713.20 - Step 6: Final answer
x = 95,809,336.80
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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.