Finding the Fourth Proportional to 306,810,129.70, 423,395,184 and 167,580,854.56
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Solution
The fourth proportional to 306,810,129.70, 423,395,184 and 167,580,854.56 is: 231,260,052.66
Step by Step Solution
- Step 1: Write the proportion equation
306,810,129.70 : 423,395,184 = 167,580,854.56 : x - Step 2: Convert to fraction form
306,810,129.70/423,395,184 = 167,580,854.56/x - Step 3: Cross multiply
306,810,129.70x = 423,395,184 × 167,580,854.56 - Step 4: Simplify right side
306,810,129.70x = 70,952,926,751,308,440 - Step 5: Solve for x
x = 70,952,926,751,308,440/306,810,129.70 - Step 6: Final answer
x = 231,260,052.66
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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.