Finding the Fourth Proportional to 189,558,590.70, 284,337,886.05 and 155,121,213.90
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Solution
The fourth proportional to 189,558,590.70, 284,337,886.05 and 155,121,213.90 is: 232,681,820.85
Step by Step Solution
- Step 1: Write the proportion equation
189,558,590.70 : 284,337,886.05 = 155,121,213.90 : x - Step 2: Convert to fraction form
189,558,590.70/284,337,886.05 = 155,121,213.90/x - Step 3: Cross multiply
189,558,590.70x = 284,337,886.05 × 155,121,213.90 - Step 4: Simplify right side
189,558,590.70x = 44,106,838,041,835,880 - Step 5: Solve for x
x = 44,106,838,041,835,880/189,558,590.70 - Step 6: Final answer
x = 232,681,820.85
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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.