Finding the Fourth Proportional to 69,246,265.01, 95,557,021.83 and 39,878,704.13
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Solution
The fourth proportional to 69,246,265.01, 95,557,021.83 and 39,878,704.13 is: 55,030,985.43
Step by Step Solution
- Step 1: Write the proportion equation
69,246,265.01 : 95,557,021.83 = 39,878,704.13 : x - Step 2: Convert to fraction form
69,246,265.01/95,557,021.83 = 39,878,704.13/x - Step 3: Cross multiply
69,246,265.01x = 95,557,021.83 × 39,878,704.13 - Step 4: Simplify right side
69,246,265.01x = 3,810,690,200,624,736 - Step 5: Solve for x
x = 3,810,690,200,624,736/69,246,265.01 - Step 6: Final answer
x = 55,030,985.43
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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.