Finding the Fourth Proportional to 230,137,312.54, 345,203,606.84 and 133,031,232.04
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Solution
The fourth proportional to 230,137,312.54, 345,203,606.84 and 133,031,232.04 is: 199,545,482.72
Step by Step Solution
- Step 1: Write the proportion equation
230,137,312.54 : 345,203,606.84 = 133,031,232.04 : x - Step 2: Convert to fraction form
230,137,312.54/345,203,606.84 = 133,031,232.04/x - Step 3: Cross multiply
230,137,312.54x = 345,203,606.84 × 133,031,232.04 - Step 4: Simplify right side
230,137,312.54x = 45,922,861,122,046,536 - Step 5: Solve for x
x = 45,922,861,122,046,536/230,137,312.54 - Step 6: Final answer
x = 199,545,482.72
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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.