Finding the Fourth Proportional to 239,708,157.76, 359,578,179.87 and 84,243,163.24
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Solution
The fourth proportional to 239,708,157.76, 359,578,179.87 and 84,243,163.24 is: 126,370,347.96
Step by Step Solution
- Step 1: Write the proportion equation
239,708,157.76 : 359,578,179.87 = 84,243,163.24 : x - Step 2: Convert to fraction form
239,708,157.76/359,578,179.87 = 84,243,163.24/x - Step 3: Cross multiply
239,708,157.76x = 359,578,179.87 × 84,243,163.24 - Step 4: Simplify right side
239,708,157.76x = 30,292,003,304,330,492 - Step 5: Solve for x
x = 30,292,003,304,330,492/239,708,157.76 - Step 6: Final answer
x = 126,370,347.96
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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.