Finding the Fourth Proportional to 118,494,495.56, 177,695,791.50 and 40,756,618.28
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Solution
The fourth proportional to 118,494,495.56, 177,695,791.50 and 40,756,618.28 is: 61,119,122.12
Step by Step Solution
- Step 1: Write the proportion equation
118,494,495.56 : 177,695,791.50 = 40,756,618.28 : x - Step 2: Convert to fraction form
118,494,495.56/177,695,791.50 = 40,756,618.28/x - Step 3: Cross multiply
118,494,495.56x = 177,695,791.50 × 40,756,618.28 - Step 4: Simplify right side
118,494,495.56x = 7,242,279,544,127,969 - Step 5: Solve for x
x = 7,242,279,544,127,969/118,494,495.56 - Step 6: Final answer
x = 61,119,122.12
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.