Finding the Fourth Proportional to 149,691,907.80, 224,537,861.70 and 69,070,339.80
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Solution
The fourth proportional to 149,691,907.80, 224,537,861.70 and 69,070,339.80 is: 103,605,509.70
Step by Step Solution
- Step 1: Write the proportion equation
149,691,907.80 : 224,537,861.70 = 69,070,339.80 : x - Step 2: Convert to fraction form
149,691,907.80/224,537,861.70 = 69,070,339.80/x - Step 3: Cross multiply
149,691,907.80x = 224,537,861.70 × 69,070,339.80 - Step 4: Simplify right side
149,691,907.80x = 15,508,906,405,584,404 - Step 5: Solve for x
x = 15,508,906,405,584,404/149,691,907.80 - Step 6: Final answer
x = 103,605,509.70
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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.