Finding the Fourth Proportional to 215,077,239,035.97, 296,807,029,421.35 and 118,733,458,021.53
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Solution
The fourth proportional to 215,077,239,035.97, 296,807,029,421.35 and 118,733,458,021.53 is: 163,852,414,724.37
Step by Step Solution
- Step 1: Write the proportion equation
215,077,239,035.97 : 296,807,029,421.35 = 118,733,458,021.53 : x - Step 2: Convert to fraction form
215,077,239,035.97/296,807,029,421.35 = 118,733,458,021.53/x - Step 3: Cross multiply
215,077,239,035.97x = 296,807,029,421.35 × 118,733,458,021.53 - Step 4: Simplify right side
215,077,239,035.97x = 35,240,924,968,294,876,708,864 - Step 5: Solve for x
x = 35,240,924,968,294,876,708,864/215,077,239,035.97 - Step 6: Final answer
x = 163,852,414,724.37
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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.