Finding the Fourth Proportional to 168,248,743.70, 252,373,115.55 and 168,248,743.70
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Solution
The fourth proportional to 168,248,743.70, 252,373,115.55 and 168,248,743.70 is: 252,373,115.55
Step by Step Solution
- Step 1: Write the proportion equation
168,248,743.70 : 252,373,115.55 = 168,248,743.70 : x - Step 2: Convert to fraction form
168,248,743.70/252,373,115.55 = 168,248,743.70/x - Step 3: Cross multiply
168,248,743.70x = 252,373,115.55 × 168,248,743.70 - Step 4: Simplify right side
168,248,743.70x = 42,461,459,634,942,432 - Step 5: Solve for x
x = 42,461,459,634,942,432/168,248,743.70 - Step 6: Final answer
x = 252,373,115.55
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1.5x scale
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.