Finding the Fourth Proportional to 118,346,145.69, 163,317,902.34 and 66,135,181.41
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Solution
The fourth proportional to 118,346,145.69, 163,317,902.34 and 66,135,181.41 is: 91,266,674.01
Step by Step Solution
- Step 1: Write the proportion equation
118,346,145.69 : 163,317,902.34 = 66,135,181.41 : x - Step 2: Convert to fraction form
118,346,145.69/163,317,902.34 = 66,135,181.41/x - Step 3: Cross multiply
118,346,145.69x = 163,317,902.34 × 66,135,181.41 - Step 4: Simplify right side
118,346,145.69x = 10,801,059,098,756,564 - Step 5: Solve for x
x = 10,801,059,098,756,564/118,346,145.69 - Step 6: Final answer
x = 91,266,674.01
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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.