Finding the Fourth Proportional to 83,463,159.60, 125,194,739.40 and 40,416,438.60
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Solution
The fourth proportional to 83,463,159.60, 125,194,739.40 and 40,416,438.60 is: 60,624,657.90
Step by Step Solution
- Step 1: Write the proportion equation
83,463,159.60 : 125,194,739.40 = 40,416,438.60 : x - Step 2: Convert to fraction form
83,463,159.60/125,194,739.40 = 40,416,438.60/x - Step 3: Cross multiply
83,463,159.60x = 125,194,739.40 × 40,416,438.60 - Step 4: Simplify right side
83,463,159.60x = 5,059,925,498,003,101 - Step 5: Solve for x
x = 5,059,925,498,003,101/83,463,159.60 - Step 6: Final answer
x = 60,624,657.90
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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.