Finding the Fourth Proportional to 129,569,704.40, 194,429,206.20 and 48,848,603.60
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Solution
The fourth proportional to 129,569,704.40, 194,429,206.20 and 48,848,603.60 is: 73,301,048.77
Step by Step Solution
- Step 1: Write the proportion equation
129,569,704.40 : 194,429,206.20 = 48,848,603.60 : x - Step 2: Convert to fraction form
129,569,704.40/194,429,206.20 = 48,848,603.60/x - Step 3: Cross multiply
129,569,704.40x = 194,429,206.20 × 48,848,603.60 - Step 4: Simplify right side
129,569,704.40x = 9,497,595,221,926,462 - Step 5: Solve for x
x = 9,497,595,221,926,462/129,569,704.40 - Step 6: Final answer
x = 73,301,048.77
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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.