Finding the Fourth Proportional to 190,087,035.53, 262,438,584.95 and 130,650,674.09
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Solution
The fourth proportional to 190,087,035.53, 262,438,584.95 and 130,650,674.09 is: 180,379,361.14
Step by Step Solution
- Step 1: Write the proportion equation
190,087,035.53 : 262,438,584.95 = 130,650,674.09 : x - Step 2: Convert to fraction form
190,087,035.53/262,438,584.95 = 130,650,674.09/x - Step 3: Cross multiply
190,087,035.53x = 262,438,584.95 × 130,650,674.09 - Step 4: Simplify right side
190,087,035.53x = 34,287,778,030,289,976 - Step 5: Solve for x
x = 34,287,778,030,289,976/190,087,035.53 - Step 6: Final answer
x = 180,379,361.14
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.