Finding the Fourth Proportional to 212,952,745.00, 293,877,643.46 and 120,132,965.80
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Solution
The fourth proportional to 212,952,745.00, 293,877,643.46 and 120,132,965.80 is: 165,785,103.59
Step by Step Solution
- Step 1: Write the proportion equation
212,952,745.00 : 293,877,643.46 = 120,132,965.80 : x - Step 2: Convert to fraction form
212,952,745.00/293,877,643.46 = 120,132,965.80/x - Step 3: Cross multiply
212,952,745.00x = 293,877,643.46 × 120,132,965.80 - Step 4: Simplify right side
212,952,745.00x = 35,304,392,889,829,412 - Step 5: Solve for x
x = 35,304,392,889,829,412/212,952,745.00 - Step 6: Final answer
x = 165,785,103.59
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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.