Finding the Fourth Proportional to 305,904,312.99, 459,068,383.31 and 121,652,909.91
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Solution
The fourth proportional to 305,904,312.99, 459,068,383.31 and 121,652,909.91 is: 182,563,639.36
Step by Step Solution
- Step 1: Write the proportion equation
305,904,312.99 : 459,068,383.31 = 121,652,909.91 : x - Step 2: Convert to fraction form
305,904,312.99/459,068,383.31 = 121,652,909.91/x - Step 3: Cross multiply
305,904,312.99x = 459,068,383.31 × 121,652,909.91 - Step 4: Simplify right side
305,904,312.99x = 55,847,004,676,732,512 - Step 5: Solve for x
x = 55,847,004,676,732,512/305,904,312.99 - Step 6: Final answer
x = 182,563,639.36
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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.