Finding the Fourth Proportional to 155,337,247.84, 214,369,946.74 and 84,777,383.70
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Solution
The fourth proportional to 155,337,247.84, 214,369,946.74 and 84,777,383.70 is: 116,995,269.85
Step by Step Solution
- Step 1: Write the proportion equation
155,337,247.84 : 214,369,946.74 = 84,777,383.70 : x - Step 2: Convert to fraction form
155,337,247.84/214,369,946.74 = 84,777,383.70/x - Step 3: Cross multiply
155,337,247.84x = 214,369,946.74 × 84,777,383.70 - Step 4: Simplify right side
155,337,247.84x = 18,173,723,228,525,544 - Step 5: Solve for x
x = 18,173,723,228,525,544/155,337,247.84 - Step 6: Final answer
x = 116,995,269.85
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1.5x scale
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.