Finding the Fourth Proportional to 129,042,353.80, 193,536,630.60 and 47,199,783.70
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Solution
The fourth proportional to 129,042,353.80, 193,536,630.60 and 47,199,783.70 is: 70,789,836.31
Step by Step Solution
- Step 1: Write the proportion equation
129,042,353.80 : 193,536,630.60 = 47,199,783.70 : x - Step 2: Convert to fraction form
129,042,353.80/193,536,630.60 = 47,199,783.70/x - Step 3: Cross multiply
129,042,353.80x = 193,536,630.60 × 47,199,783.70 - Step 4: Simplify right side
129,042,353.80x = 9,134,887,102,346,802 - Step 5: Solve for x
x = 9,134,887,102,346,802/129,042,353.80 - Step 6: Final answer
x = 70,789,836.31
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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.