Finding the Fourth Proportional to 313,117,067.55, 432,089,715.35 and 173,896,797.39
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Solution
The fourth proportional to 313,117,067.55, 432,089,715.35 and 173,896,797.39 is: 239,971,005.96
Step by Step Solution
- Step 1: Write the proportion equation
313,117,067.55 : 432,089,715.35 = 173,896,797.39 : x - Step 2: Convert to fraction form
313,117,067.55/432,089,715.35 = 173,896,797.39/x - Step 3: Cross multiply
313,117,067.55x = 432,089,715.35 × 173,896,797.39 - Step 4: Simplify right side
313,117,067.55x = 75,139,017,682,796,016 - Step 5: Solve for x
x = 75,139,017,682,796,016/313,117,067.55 - Step 6: Final answer
x = 239,971,005.96
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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.