Finding the Fourth Proportional to 204,730,379, 307,095,568.50 and 68,415,762.50
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Solution
The fourth proportional to 204,730,379, 307,095,568.50 and 68,415,762.50 is: 102,623,643.75
Step by Step Solution
- Step 1: Write the proportion equation
204,730,379 : 307,095,568.50 = 68,415,762.50 : x - Step 2: Convert to fraction form
204,730,379/307,095,568.50 = 68,415,762.50/x - Step 3: Cross multiply
204,730,379x = 307,095,568.50 × 68,415,762.50 - Step 4: Simplify right side
204,730,379x = 21,010,177,479,298,480 - Step 5: Solve for x
x = 21,010,177,479,298,480/204,730,379 - Step 6: Final answer
x = 102,623,643.75
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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.