Finding the Fourth Proportional to 201,800,463.35, 278,484,630.26 and 108,980,962.99
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Solution
The fourth proportional to 201,800,463.35, 278,484,630.26 and 108,980,962.99 is: 150,393,723.98
Step by Step Solution
- Step 1: Write the proportion equation
201,800,463.35 : 278,484,630.26 = 108,980,962.99 : x - Step 2: Convert to fraction form
201,800,463.35/278,484,630.26 = 108,980,962.99/x - Step 3: Cross multiply
201,800,463.35x = 278,484,630.26 × 108,980,962.99 - Step 4: Simplify right side
201,800,463.35x = 30,349,523,182,407,776 - Step 5: Solve for x
x = 30,349,523,182,407,776/201,800,463.35 - Step 6: Final answer
x = 150,393,723.98
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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.