Finding the Fourth Proportional to 149,474,246.40, 224,211,369.60 and 91,779,436.80
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Solution
The fourth proportional to 149,474,246.40, 224,211,369.60 and 91,779,436.80 is: 137,669,155.20
Step by Step Solution
- Step 1: Write the proportion equation
149,474,246.40 : 224,211,369.60 = 91,779,436.80 : x - Step 2: Convert to fraction form
149,474,246.40/224,211,369.60 = 91,779,436.80/x - Step 3: Cross multiply
149,474,246.40x = 224,211,369.60 × 91,779,436.80 - Step 4: Simplify right side
149,474,246.40x = 20,577,993,226,044,640 - Step 5: Solve for x
x = 20,577,993,226,044,640/149,474,246.40 - Step 6: Final answer
x = 137,669,155.20
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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.