Finding the Fourth Proportional to 86,327,025.74, 119,127,750.54 and 47,170,146.68
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Solution
The fourth proportional to 86,327,025.74, 119,127,750.54 and 47,170,146.68 is: 65,092,865.40
Step by Step Solution
- Step 1: Write the proportion equation
86,327,025.74 : 119,127,750.54 = 47,170,146.68 : x - Step 2: Convert to fraction form
86,327,025.74/119,127,750.54 = 47,170,146.68/x - Step 3: Cross multiply
86,327,025.74x = 119,127,750.54 × 47,170,146.68 - Step 4: Simplify right side
86,327,025.74x = 5,619,273,466,630,249 - Step 5: Solve for x
x = 5,619,273,466,630,249/86,327,025.74 - Step 6: Final answer
x = 65,092,865.40
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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.