Finding the Fourth Proportional to 189,035,457.14, 260,917,468.17 and 123,120,210.26
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Solution
The fourth proportional to 189,035,457.14, 260,917,468.17 and 123,120,210.26 is: 169,937,502.88
Step by Step Solution
- Step 1: Write the proportion equation
189,035,457.14 : 260,917,468.17 = 123,120,210.26 : x - Step 2: Convert to fraction form
189,035,457.14/260,917,468.17 = 123,120,210.26/x - Step 3: Cross multiply
189,035,457.14x = 260,917,468.17 × 123,120,210.26 - Step 4: Simplify right side
189,035,457.14x = 32,124,213,541,597,256 - Step 5: Solve for x
x = 32,124,213,541,597,256/189,035,457.14 - Step 6: Final answer
x = 169,937,502.88
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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.