Finding the Fourth Proportional to 160,517,539.80, 240,776,309.70 and 39,348,991.80
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Solution
The fourth proportional to 160,517,539.80, 240,776,309.70 and 39,348,991.80 is: 59,023,487.70
Step by Step Solution
- Step 1: Write the proportion equation
160,517,539.80 : 240,776,309.70 = 39,348,991.80 : x - Step 2: Convert to fraction form
160,517,539.80/240,776,309.70 = 39,348,991.80/x - Step 3: Cross multiply
160,517,539.80x = 240,776,309.70 × 39,348,991.80 - Step 4: Simplify right side
160,517,539.80x = 9,474,305,036,019,560 - Step 5: Solve for x
x = 9,474,305,036,019,560/160,517,539.80 - Step 6: Final answer
x = 59,023,487.70
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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.