Finding the Fourth Proportional to 95,702,449.20, 143,553,673.80 and 47,203,537.20
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Solution
The fourth proportional to 95,702,449.20, 143,553,673.80 and 47,203,537.20 is: 70,805,305.80
Step by Step Solution
- Step 1: Write the proportion equation
95,702,449.20 : 143,553,673.80 = 47,203,537.20 : x - Step 2: Convert to fraction form
95,702,449.20/143,553,673.80 = 47,203,537.20/x - Step 3: Cross multiply
95,702,449.20x = 143,553,673.80 × 47,203,537.20 - Step 4: Simplify right side
95,702,449.20x = 6,776,241,181,414,966 - Step 5: Solve for x
x = 6,776,241,181,414,966/95,702,449.20 - Step 6: Final answer
x = 70,805,305.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.