Finding the Fourth Proportional to 125,091,396.12, 172,625,827.76 and 68,576,041.08
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Solution
The fourth proportional to 125,091,396.12, 172,625,827.76 and 68,576,041.08 is: 94,634,772.84
Step by Step Solution
- Step 1: Write the proportion equation
125,091,396.12 : 172,625,827.76 = 68,576,041.08 : x - Step 2: Convert to fraction form
125,091,396.12/172,625,827.76 = 68,576,041.08/x - Step 3: Cross multiply
125,091,396.12x = 172,625,827.76 × 68,576,041.08 - Step 4: Simplify right side
125,091,396.12x = 11,837,995,855,938,764 - Step 5: Solve for x
x = 11,837,995,855,938,764/125,091,396.12 - Step 6: Final answer
x = 94,634,772.84
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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.