Finding the Fourth Proportional to 110,782,118.94, 166,024,629.18 and 86,219,703.24
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Solution
The fourth proportional to 110,782,118.94, 166,024,629.18 and 86,219,703.24 is: 129,213,941.70
Step by Step Solution
- Step 1: Write the proportion equation
110,782,118.94 : 166,024,629.18 = 86,219,703.24 : x - Step 2: Convert to fraction form
110,782,118.94/166,024,629.18 = 86,219,703.24/x - Step 3: Cross multiply
110,782,118.94x = 166,024,629.18 × 86,219,703.24 - Step 4: Simplify right side
110,782,118.94x = 14,314,594,258,430,644 - Step 5: Solve for x
x = 14,314,594,258,430,644/110,782,118.94 - Step 6: Final answer
x = 129,213,941.70
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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.