Finding the Fourth Proportional to 50,138,637.96, 75,214,649.58 and 19,839,415.08
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Solution
The fourth proportional to 50,138,637.96, 75,214,649.58 and 19,839,415.08 is: 29,761,770.84
Step by Step Solution
- Step 1: Write the proportion equation
50,138,637.96 : 75,214,649.58 = 19,839,415.08 : x - Step 2: Convert to fraction form
50,138,637.96/75,214,649.58 = 19,839,415.08/x - Step 3: Cross multiply
50,138,637.96x = 75,214,649.58 × 19,839,415.08 - Step 4: Simplify right side
50,138,637.96x = 1,492,214,653,114,367.50 - Step 5: Solve for x
x = 1,492,214,653,114,367.50/50,138,637.96 - Step 6: Final answer
x = 29,761,770.84
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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.