Finding the Fourth Proportional to 121,797,087.94, 168,064,494.06 and 69,589,505.08
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Solution
The fourth proportional to 121,797,087.94, 168,064,494.06 and 69,589,505.08 is: 96,024,668.25
Step by Step Solution
- Step 1: Write the proportion equation
121,797,087.94 : 168,064,494.06 = 69,589,505.08 : x - Step 2: Convert to fraction form
121,797,087.94/168,064,494.06 = 69,589,505.08/x - Step 3: Cross multiply
121,797,087.94x = 168,064,494.06 × 69,589,505.08 - Step 4: Simplify right side
121,797,087.94x = 11,695,524,963,156,000 - Step 5: Solve for x
x = 11,695,524,963,156,000/121,797,087.94 - Step 6: Final answer
x = 96,024,668.25
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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.