Finding the Fourth Proportional to 232,738,600.84, 321,485,852.18 and 172,509,692.08
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Solution
The fourth proportional to 232,738,600.84, 321,485,852.18 and 172,509,692.08 is: 238,290,619.47
Step by Step Solution
- Step 1: Write the proportion equation
232,738,600.84 : 321,485,852.18 = 172,509,692.08 : x - Step 2: Convert to fraction form
232,738,600.84/321,485,852.18 = 172,509,692.08/x - Step 3: Cross multiply
232,738,600.84x = 321,485,852.18 × 172,509,692.08 - Step 4: Simplify right side
232,738,600.84x = 55,459,425,367,648,200 - Step 5: Solve for x
x = 55,459,425,367,648,200/232,738,600.84 - Step 6: Final answer
x = 238,290,619.47
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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.