Finding the Fourth Proportional to 103,883,774.97, 155,821,069.74 and 27,205,105.53
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Solution
The fourth proportional to 103,883,774.97, 155,821,069.74 and 27,205,105.53 is: 40,806,455.55
Step by Step Solution
- Step 1: Write the proportion equation
103,883,774.97 : 155,821,069.74 = 27,205,105.53 : x - Step 2: Convert to fraction form
103,883,774.97/155,821,069.74 = 27,205,105.53/x - Step 3: Cross multiply
103,883,774.97x = 155,821,069.74 × 27,205,105.53 - Step 4: Simplify right side
103,883,774.97x = 4,239,128,646,074,190 - Step 5: Solve for x
x = 4,239,128,646,074,190/103,883,774.97 - Step 6: Final answer
x = 40,806,455.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.