Finding the Fourth Proportional to 129,569,708.40, 194,429,212.20 and 48,848,607.60
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Solution
The fourth proportional to 129,569,708.40, 194,429,212.20 and 48,848,607.60 is: 73,301,054.78
Step by Step Solution
- Step 1: Write the proportion equation
129,569,708.40 : 194,429,212.20 = 48,848,607.60 : x - Step 2: Convert to fraction form
129,569,708.40/194,429,212.20 = 48,848,607.60/x - Step 3: Cross multiply
129,569,708.40x = 194,429,212.20 × 48,848,607.60 - Step 4: Simplify right side
129,569,708.40x = 9,497,596,292,734,932 - Step 5: Solve for x
x = 9,497,596,292,734,932/129,569,708.40 - Step 6: Final answer
x = 73,301,054.78
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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.