Finding the Fourth Proportional to 118,173,410.42, 163,106,516.56 and 69,296,584.82
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Solution
The fourth proportional to 118,173,410.42, 163,106,516.56 and 69,296,584.82 is: 95,645,243.03
Step by Step Solution
- Step 1: Write the proportion equation
118,173,410.42 : 163,106,516.56 = 69,296,584.82 : x - Step 2: Convert to fraction form
118,173,410.42/163,106,516.56 = 69,296,584.82/x - Step 3: Cross multiply
118,173,410.42x = 163,106,516.56 × 69,296,584.82 - Step 4: Simplify right side
118,173,410.42x = 11,302,724,559,494,774 - Step 5: Solve for x
x = 11,302,724,559,494,774/118,173,410.42 - Step 6: Final answer
x = 95,645,243.03
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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.