Finding the Fourth Proportional to 208,119,275.35, 312,198,102.79 and 68,060,459.12
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Solution
The fourth proportional to 208,119,275.35, 312,198,102.79 and 68,060,459.12 is: 102,096,964.23
Step by Step Solution
- Step 1: Write the proportion equation
208,119,275.35 : 312,198,102.79 = 68,060,459.12 : x - Step 2: Convert to fraction form
208,119,275.35/312,198,102.79 = 68,060,459.12/x - Step 3: Cross multiply
208,119,275.35x = 312,198,102.79 × 68,060,459.12 - Step 4: Simplify right side
208,119,275.35x = 21,248,346,210,549,212 - Step 5: Solve for x
x = 21,248,346,210,549,212/208,119,275.35 - Step 6: Final answer
x = 102,096,964.23
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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.