Finding the Fourth Proportional to 76,774,298.67, 115,161,448.41 and 25,656,317.48
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Solution
The fourth proportional to 76,774,298.67, 115,161,448.41 and 25,656,317.48 is: 38,484,476.36
Step by Step Solution
- Step 1: Write the proportion equation
76,774,298.67 : 115,161,448.41 = 25,656,317.48 : x - Step 2: Convert to fraction form
76,774,298.67/115,161,448.41 = 25,656,317.48/x - Step 3: Cross multiply
76,774,298.67x = 115,161,448.41 × 25,656,317.48 - Step 4: Simplify right side
76,774,298.67x = 2,954,618,682,151,505 - Step 5: Solve for x
x = 2,954,618,682,151,505/76,774,298.67 - Step 6: Final answer
x = 38,484,476.36
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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.