Finding the Fourth Proportional to 69,862,825.08, 96,345,305.82 and 55,213,489.08
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Solution
The fourth proportional to 69,862,825.08, 96,345,305.82 and 55,213,489.08 is: 76,142,934.17
Step by Step Solution
- Step 1: Write the proportion equation
69,862,825.08 : 96,345,305.82 = 55,213,489.08 : x - Step 2: Convert to fraction form
69,862,825.08/96,345,305.82 = 55,213,489.08/x - Step 3: Cross multiply
69,862,825.08x = 96,345,305.82 × 55,213,489.08 - Step 4: Simplify right side
69,862,825.08x = 5,319,560,490,801,830 - Step 5: Solve for x
x = 5,319,560,490,801,830/69,862,825.08 - Step 6: Final answer
x = 76,142,934.17
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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.