Finding the Fourth Proportional to 75,728,470.35, 104,487,489.96 and 45,958,458.56
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Solution
The fourth proportional to 75,728,470.35, 104,487,489.96 and 45,958,458.56 is: 63,411,870.80
Step by Step Solution
- Step 1: Write the proportion equation
75,728,470.35 : 104,487,489.96 = 45,958,458.56 : x - Step 2: Convert to fraction form
75,728,470.35/104,487,489.96 = 45,958,458.56/x - Step 3: Cross multiply
75,728,470.35x = 104,487,489.96 × 45,958,458.56 - Step 4: Simplify right side
75,728,470.35x = 4,802,083,977,365,076 - Step 5: Solve for x
x = 4,802,083,977,365,076/75,728,470.35 - Step 6: Final answer
x = 63,411,870.80
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.