Finding the Fourth Proportional to 199,632,000.70, 299,448,001.05 and 170,406,682.30
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Solution
The fourth proportional to 199,632,000.70, 299,448,001.05 and 170,406,682.30 is: 255,610,023.45
Step by Step Solution
- Step 1: Write the proportion equation
199,632,000.70 : 299,448,001.05 = 170,406,682.30 : x - Step 2: Convert to fraction form
199,632,000.70/299,448,001.05 = 170,406,682.30/x - Step 3: Cross multiply
199,632,000.70x = 299,448,001.05 × 170,406,682.30 - Step 4: Simplify right side
199,632,000.70x = 51,027,940,380,297,424 - Step 5: Solve for x
x = 51,027,940,380,297,424/199,632,000.70 - Step 6: Final answer
x = 255,610,023.45
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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.