Finding the Fourth Proportional to 149,691,134.40, 224,536,701.60 and 127,772,145.60
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Solution
The fourth proportional to 149,691,134.40, 224,536,701.60 and 127,772,145.60 is: 191,658,218.40
Step by Step Solution
- Step 1: Write the proportion equation
149,691,134.40 : 224,536,701.60 = 127,772,145.60 : x - Step 2: Convert to fraction form
149,691,134.40/224,536,701.60 = 127,772,145.60/x - Step 3: Cross multiply
149,691,134.40x = 224,536,701.60 × 127,772,145.60 - Step 4: Simplify right side
149,691,134.40x = 28,689,536,129,378,952 - Step 5: Solve for x
x = 28,689,536,129,378,952/149,691,134.40 - Step 6: Final answer
x = 191,658,218.40
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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.