Finding the Fourth Proportional to 248,916,642.80, 373,374,964.20 and 67,163,529.20
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Solution
The fourth proportional to 248,916,642.80, 373,374,964.20 and 67,163,529.20 is: 100,745,293.80
Step by Step Solution
- Step 1: Write the proportion equation
248,916,642.80 : 373,374,964.20 = 67,163,529.20 : x - Step 2: Convert to fraction form
248,916,642.80/373,374,964.20 = 67,163,529.20/x - Step 3: Cross multiply
248,916,642.80x = 373,374,964.20 × 67,163,529.20 - Step 4: Simplify right side
248,916,642.80x = 25,077,180,310,595,656 - Step 5: Solve for x
x = 25,077,180,310,595,656/248,916,642.80 - Step 6: Final answer
x = 100,745,293.80
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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.