Finding the Fourth Proportional to 76,845,819.33, 115,260,209.96 and 19,338,106.05
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Solution
The fourth proportional to 76,845,819.33, 115,260,209.96 and 19,338,106.05 is: 29,005,015.27
Step by Step Solution
- Step 1: Write the proportion equation
76,845,819.33 : 115,260,209.96 = 19,338,106.05 : x - Step 2: Convert to fraction form
76,845,819.33/115,260,209.96 = 19,338,106.05/x - Step 3: Cross multiply
76,845,819.33x = 115,260,209.96 × 19,338,106.05 - Step 4: Simplify right side
76,845,819.33x = 2,228,914,163,455,055.75 - Step 5: Solve for x
x = 2,228,914,163,455,055.75/76,845,819.33 - Step 6: Final answer
x = 29,005,015.27
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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.