Finding the Fourth Proportional to 230,100,975.53, 345,199,937.75 and 74,642,644.95
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Solution
The fourth proportional to 230,100,975.53, 345,199,937.75 and 74,642,644.95 is: 111,979,692.09
Step by Step Solution
- Step 1: Write the proportion equation
230,100,975.53 : 345,199,937.75 = 74,642,644.95 : x - Step 2: Convert to fraction form
230,100,975.53/345,199,937.75 = 74,642,644.95/x - Step 3: Cross multiply
230,100,975.53x = 345,199,937.75 × 74,642,644.95 - Step 4: Simplify right side
230,100,975.53x = 25,766,636,390,235,352 - Step 5: Solve for x
x = 25,766,636,390,235,352/230,100,975.53 - Step 6: Final answer
x = 111,979,692.09
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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.