Finding the Fourth Proportional to 118,346,163.35, 163,317,926.69 and 66,135,199.07
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Solution
The fourth proportional to 118,346,163.35, 163,317,926.69 and 66,135,199.07 is: 91,266,698.36
Step by Step Solution
- Step 1: Write the proportion equation
118,346,163.35 : 163,317,926.69 = 66,135,199.07 : x - Step 2: Convert to fraction form
118,346,163.35/163,317,926.69 = 66,135,199.07/x - Step 3: Cross multiply
118,346,163.35x = 163,317,926.69 × 66,135,199.07 - Step 4: Simplify right side
118,346,163.35x = 10,801,063,592,195,550 - Step 5: Solve for x
x = 10,801,063,592,195,550/118,346,163.35 - Step 6: Final answer
x = 91,266,698.36
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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.