Finding the Fourth Proportional to 82,911,457.23, 114,417,171.99 and 45,743,304.08
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Solution
The fourth proportional to 82,911,457.23, 114,417,171.99 and 45,743,304.08 is: 63,125,407.09
Step by Step Solution
- Step 1: Write the proportion equation
82,911,457.23 : 114,417,171.99 = 45,743,304.08 : x - Step 2: Convert to fraction form
82,911,457.23/114,417,171.99 = 45,743,304.08/x - Step 3: Cross multiply
82,911,457.23x = 114,417,171.99 × 45,743,304.08 - Step 4: Simplify right side
82,911,457.23x = 5,233,819,489,740,143 - Step 5: Solve for x
x = 5,233,819,489,740,143/82,911,457.23 - Step 6: Final answer
x = 63,125,407.09
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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.