Finding the Fourth Proportional to 68,104,875.12, 93,987,549.90 and 38,741,380.44
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Solution
The fourth proportional to 68,104,875.12, 93,987,549.90 and 38,741,380.44 is: 53,464,710.43
Step by Step Solution
- Step 1: Write the proportion equation
68,104,875.12 : 93,987,549.90 = 38,741,380.44 : x - Step 2: Convert to fraction form
68,104,875.12/93,987,549.90 = 38,741,380.44/x - Step 3: Cross multiply
68,104,875.12x = 93,987,549.90 × 38,741,380.44 - Step 4: Simplify right side
68,104,875.12x = 3,641,207,427,299,384 - Step 5: Solve for x
x = 3,641,207,427,299,384/68,104,875.12 - Step 6: Final answer
x = 53,464,710.43
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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.