Finding the Fourth Proportional to 118,346,153.58, 163,317,913.22 and 66,135,189.32
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Solution
The fourth proportional to 118,346,153.58, 163,317,913.22 and 66,135,189.32 is: 91,266,684.92
Step by Step Solution
- Step 1: Write the proportion equation
118,346,153.58 : 163,317,913.22 = 66,135,189.32 : x - Step 2: Convert to fraction form
118,346,153.58/163,317,913.22 = 66,135,189.32/x - Step 3: Cross multiply
118,346,153.58x = 163,317,913.22 × 66,135,189.32 - Step 4: Simplify right side
118,346,153.58x = 10,801,061,110,152,030 - Step 5: Solve for x
x = 10,801,061,110,152,030/118,346,153.58 - Step 6: Final answer
x = 91,266,684.92
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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.