Finding the Fourth Proportional to 68,259,750.30, 102,389,625.45 and 68,259,750.30
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Solution
The fourth proportional to 68,259,750.30, 102,389,625.45 and 68,259,750.30 is: 102,389,625.45
Step by Step Solution
- Step 1: Write the proportion equation
68,259,750.30 : 102,389,625.45 = 68,259,750.30 : x - Step 2: Convert to fraction form
68,259,750.30/102,389,625.45 = 68,259,750.30/x - Step 3: Cross multiply
68,259,750.30x = 102,389,625.45 × 68,259,750.30 - Step 4: Simplify right side
68,259,750.30x = 6,989,090,266,527,525 - Step 5: Solve for x
x = 6,989,090,266,527,525/68,259,750.30 - Step 6: Final answer
x = 102,389,625.45
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1.5x scale
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.