Finding the Fourth Proportional to 76,261,775.96, 105,291,923.70 and 58,589,197.52
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Solution
The fourth proportional to 76,261,775.96, 105,291,923.70 and 58,589,197.52 is: 80,892,022.74
Step by Step Solution
- Step 1: Write the proportion equation
76,261,775.96 : 105,291,923.70 = 58,589,197.52 : x - Step 2: Convert to fraction form
76,261,775.96/105,291,923.70 = 58,589,197.52/x - Step 3: Cross multiply
76,261,775.96x = 105,291,923.70 × 58,589,197.52 - Step 4: Simplify right side
76,261,775.96x = 6,168,969,314,920,070 - Step 5: Solve for x
x = 6,168,969,314,920,070/76,261,775.96 - Step 6: Final answer
x = 80,892,022.74
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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.