Finding the Fourth Proportional to 69,906,156.96, 96,471,253.12 and 38,544,266.64
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Solution
The fourth proportional to 69,906,156.96, 96,471,253.12 and 38,544,266.64 is: 53,191,505.08
Step by Step Solution
- Step 1: Write the proportion equation
69,906,156.96 : 96,471,253.12 = 38,544,266.64 : x - Step 2: Convert to fraction form
69,906,156.96/96,471,253.12 = 38,544,266.64/x - Step 3: Cross multiply
69,906,156.96x = 96,471,253.12 × 38,544,266.64 - Step 4: Simplify right side
69,906,156.96x = 3,718,413,703,352,212 - Step 5: Solve for x
x = 3,718,413,703,352,212/69,906,156.96 - Step 6: Final answer
x = 53,191,505.08
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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.