Finding the Fourth Proportional to 111,021,517.80, 166,532,276.70 and 29,140,237.80
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Solution
The fourth proportional to 111,021,517.80, 166,532,276.70 and 29,140,237.80 is: 43,710,356.70
Step by Step Solution
- Step 1: Write the proportion equation
111,021,517.80 : 166,532,276.70 = 29,140,237.80 : x - Step 2: Convert to fraction form
111,021,517.80/166,532,276.70 = 29,140,237.80/x - Step 3: Cross multiply
111,021,517.80x = 166,532,276.70 × 29,140,237.80 - Step 4: Simplify right side
111,021,517.80x = 4,852,790,144,413,399 - Step 5: Solve for x
x = 4,852,790,144,413,399/111,021,517.80 - Step 6: Final answer
x = 43,710,356.70
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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.