Finding the Fourth Proportional to 76,526,363.99, 105,605,373.77 and 43,035,833.12
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Solution
The fourth proportional to 76,526,363.99, 105,605,373.77 and 43,035,833.12 is: 59,388,882.53
Step by Step Solution
- Step 1: Write the proportion equation
76,526,363.99 : 105,605,373.77 = 43,035,833.12 : x - Step 2: Convert to fraction form
76,526,363.99/105,605,373.77 = 43,035,833.12/x - Step 3: Cross multiply
76,526,363.99x = 105,605,373.77 × 43,035,833.12 - Step 4: Simplify right side
76,526,363.99x = 4,544,815,241,397,739 - Step 5: Solve for x
x = 4,544,815,241,397,739/76,526,363.99 - Step 6: Final answer
x = 59,388,882.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.