Finding the Fourth Proportional to 306,810,125.70, 423,395,178.48 and 167,580,850.56
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Solution
The fourth proportional to 306,810,125.70, 423,395,178.48 and 167,580,850.56 is: 231,260,047.14
Step by Step Solution
- Step 1: Write the proportion equation
306,810,125.70 : 423,395,178.48 = 167,580,850.56 : x - Step 2: Convert to fraction form
306,810,125.70/423,395,178.48 = 167,580,850.56/x - Step 3: Cross multiply
306,810,125.70x = 423,395,178.48 × 167,580,850.56 - Step 4: Simplify right side
306,810,125.70x = 70,952,924,132,681,416 - Step 5: Solve for x
x = 70,952,924,132,681,416/306,810,125.70 - Step 6: Final answer
x = 231,260,047.14
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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.