Finding the Fourth Proportional to 199,740,207.75, 299,610,311.63 and 56,133,039.75
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Solution
The fourth proportional to 199,740,207.75, 299,610,311.63 and 56,133,039.75 is: 84,199,559.63
Step by Step Solution
- Step 1: Write the proportion equation
199,740,207.75 : 299,610,311.63 = 56,133,039.75 : x - Step 2: Convert to fraction form
199,740,207.75/299,610,311.63 = 56,133,039.75/x - Step 3: Cross multiply
199,740,207.75x = 299,610,311.63 × 56,133,039.75 - Step 4: Simplify right side
199,740,207.75x = 16,818,037,532,236,678 - Step 5: Solve for x
x = 16,818,037,532,236,678/199,740,207.75 - Step 6: Final answer
x = 84,199,559.63
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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.