Finding the Fourth Proportional to 306,810,133.20, 423,395,188.83 and 167,580,858.06
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Solution
The fourth proportional to 306,810,133.20, 423,395,188.83 and 167,580,858.06 is: 231,260,057.49
Step by Step Solution
- Step 1: Write the proportion equation
306,810,133.20 : 423,395,188.83 = 167,580,858.06 : x - Step 2: Convert to fraction form
306,810,133.20/423,395,188.83 = 167,580,858.06/x - Step 3: Cross multiply
306,810,133.20x = 423,395,188.83 × 167,580,858.06 - Step 4: Simplify right side
306,810,133.20x = 70,952,929,042,607,128 - Step 5: Solve for x
x = 70,952,929,042,607,128/306,810,133.20 - Step 6: Final answer
x = 231,260,057.49
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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.