Finding the Fourth Proportional to 137,391,035.20, 206,086,552.80 and 83,643,323.20
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Solution
The fourth proportional to 137,391,035.20, 206,086,552.80 and 83,643,323.20 is: 125,464,984.80
Step by Step Solution
- Step 1: Write the proportion equation
137,391,035.20 : 206,086,552.80 = 83,643,323.20 : x - Step 2: Convert to fraction form
137,391,035.20/206,086,552.80 = 83,643,323.20/x - Step 3: Cross multiply
137,391,035.20x = 206,086,552.80 × 83,643,323.20 - Step 4: Simplify right side
137,391,035.20x = 17,237,764,143,024,266 - Step 5: Solve for x
x = 17,237,764,143,024,266/137,391,035.20 - Step 6: Final answer
x = 125,464,984.80
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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.