Finding the Fourth Proportional to 201,046,777.81, 301,397,448.08 and 69,872,010.44
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Solution
The fourth proportional to 201,046,777.81, 301,397,448.08 and 69,872,010.44 is: 104,747,988.84
Step by Step Solution
- Step 1: Write the proportion equation
201,046,777.81 : 301,397,448.08 = 69,872,010.44 : x - Step 2: Convert to fraction form
201,046,777.81/301,397,448.08 = 69,872,010.44/x - Step 3: Cross multiply
201,046,777.81x = 301,397,448.08 × 69,872,010.44 - Step 4: Simplify right side
201,046,777.81x = 21,059,245,637,502,812 - Step 5: Solve for x
x = 21,059,245,637,502,812/201,046,777.81 - Step 6: Final answer
x = 104,747,988.84
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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.