Finding the Fourth Proportional to 129,029,469.60, 193,544,204.40 and 106,335,991.20
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Solution
The fourth proportional to 129,029,469.60, 193,544,204.40 and 106,335,991.20 is: 159,503,986.80
Step by Step Solution
- Step 1: Write the proportion equation
129,029,469.60 : 193,544,204.40 = 106,335,991.20 : x - Step 2: Convert to fraction form
129,029,469.60/193,544,204.40 = 106,335,991.20/x - Step 3: Cross multiply
129,029,469.60x = 193,544,204.40 × 106,335,991.20 - Step 4: Simplify right side
129,029,469.60x = 20,580,714,815,889,404 - Step 5: Solve for x
x = 20,580,714,815,889,404/129,029,469.60 - Step 6: Final answer
x = 159,503,986.80
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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.