Finding the Fourth Proportional to 84,215,171.91, 116,210,451 and 47,549,361.99
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Solution
The fourth proportional to 84,215,171.91, 116,210,451 and 47,549,361.99 is: 65,614,457.30
Step by Step Solution
- Step 1: Write the proportion equation
84,215,171.91 : 116,210,451 = 47,549,361.99 : x - Step 2: Convert to fraction form
84,215,171.91/116,210,451 = 47,549,361.99/x - Step 3: Cross multiply
84,215,171.91x = 116,210,451 × 47,549,361.99 - Step 4: Simplify right side
84,215,171.91x = 5,525,732,801,620,158 - Step 5: Solve for x
x = 5,525,732,801,620,158/84,215,171.91 - Step 6: Final answer
x = 65,614,457.30
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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.