Finding the Fourth Proportional to 126,180,307.86, 174,129,065.83 and 69,665,163.07
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Solution
The fourth proportional to 126,180,307.86, 174,129,065.83 and 69,665,163.07 is: 96,138,058.09
Step by Step Solution
- Step 1: Write the proportion equation
126,180,307.86 : 174,129,065.83 = 69,665,163.07 : x - Step 2: Convert to fraction form
126,180,307.86/174,129,065.83 = 69,665,163.07/x - Step 3: Cross multiply
126,180,307.86x = 174,129,065.83 × 69,665,163.07 - Step 4: Simplify right side
126,180,307.86x = 12,130,729,766,273,714 - Step 5: Solve for x
x = 12,130,729,766,273,714/126,180,307.86 - Step 6: Final answer
x = 96,138,058.09
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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.