Finding the Fourth Proportional to 64,723,012.70, 97,084,519.05 and 16,853,956.70
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Solution
The fourth proportional to 64,723,012.70, 97,084,519.05 and 16,853,956.70 is: 25,280,935.05
Step by Step Solution
- Step 1: Write the proportion equation
64,723,012.70 : 97,084,519.05 = 16,853,956.70 : x - Step 2: Convert to fraction form
64,723,012.70/97,084,519.05 = 16,853,956.70/x - Step 3: Cross multiply
64,723,012.70x = 97,084,519.05 × 16,853,956.70 - Step 4: Simplify right side
64,723,012.70x = 1,636,258,280,309,025 - Step 5: Solve for x
x = 1,636,258,280,309,025/64,723,012.70 - Step 6: Final answer
x = 25,280,935.05
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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.