Finding the Fourth Proportional to 84,002,701.34, 115,923,313.71 and 48,727,640.66
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Solution
The fourth proportional to 84,002,701.34, 115,923,313.71 and 48,727,640.66 is: 67,243,903.87
Step by Step Solution
- Step 1: Write the proportion equation
84,002,701.34 : 115,923,313.71 = 48,727,640.66 : x - Step 2: Convert to fraction form
84,002,701.34/115,923,313.71 = 48,727,640.66/x - Step 3: Cross multiply
84,002,701.34x = 115,923,313.71 × 48,727,640.66 - Step 4: Simplify right side
84,002,701.34x = 5,648,669,573,997,715 - Step 5: Solve for x
x = 5,648,669,573,997,715/84,002,701.34 - Step 6: Final answer
x = 67,243,903.87
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.