Finding the Fourth Proportional to 307,847,456.80, 424,824,241.95 and 166,717,531.96
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Solution
The fourth proportional to 307,847,456.80, 424,824,241.95 and 166,717,531.96 is: 230,067,351.77
Step by Step Solution
- Step 1: Write the proportion equation
307,847,456.80 : 424,824,241.95 = 166,717,531.96 : x - Step 2: Convert to fraction form
307,847,456.80/424,824,241.95 = 166,717,531.96/x - Step 3: Cross multiply
307,847,456.80x = 424,824,241.95 × 166,717,531.96 - Step 4: Simplify right side
307,847,456.80x = 70,825,649,134,681,896 - Step 5: Solve for x
x = 70,825,649,134,681,896/307,847,456.80 - Step 6: Final answer
x = 230,067,351.77
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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.