Finding the Fourth Proportional to 76,666,254.30, 115,001,716.68 and 29,977,876.44
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Solution
The fourth proportional to 76,666,254.30, 115,001,716.68 and 29,977,876.44 is: 44,967,727.78
Step by Step Solution
- Step 1: Write the proportion equation
76,666,254.30 : 115,001,716.68 = 29,977,876.44 : x - Step 2: Convert to fraction form
76,666,254.30/115,001,716.68 = 29,977,876.44/x - Step 3: Cross multiply
76,666,254.30x = 115,001,716.68 × 29,977,876.44 - Step 4: Simplify right side
76,666,254.30x = 3,447,507,253,020,927.50 - Step 5: Solve for x
x = 3,447,507,253,020,927.50/76,666,254.30 - Step 6: Final answer
x = 44,967,727.78
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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.