Finding the Fourth Proportional to 133,181,240.16, 199,772,117.12 and 51,338,659.12
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Solution
The fourth proportional to 133,181,240.16, 199,772,117.12 and 51,338,659.12 is: 77,008,087.70
Step by Step Solution
- Step 1: Write the proportion equation
133,181,240.16 : 199,772,117.12 = 51,338,659.12 : x - Step 2: Convert to fraction form
133,181,240.16/199,772,117.12 = 51,338,659.12/x - Step 3: Cross multiply
133,181,240.16x = 199,772,117.12 × 51,338,659.12 - Step 4: Simplify right side
133,181,240.16x = 10,256,032,622,504,396 - Step 5: Solve for x
x = 10,256,032,622,504,396/133,181,240.16 - Step 6: Final answer
x = 77,008,087.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.