Finding the Fourth Proportional to 299,599,920.72, 449,272,274.04 and 117,719,516.88
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Solution
The fourth proportional to 299,599,920.72, 449,272,274.04 and 117,719,516.88 is: 176,529,135.66
Step by Step Solution
- Step 1: Write the proportion equation
299,599,920.72 : 449,272,274.04 = 117,719,516.88 : x - Step 2: Convert to fraction form
299,599,920.72/449,272,274.04 = 117,719,516.88/x - Step 3: Cross multiply
299,599,920.72x = 449,272,274.04 × 117,719,516.88 - Step 4: Simplify right side
299,599,920.72x = 52,888,115,047,567,768 - Step 5: Solve for x
x = 52,888,115,047,567,768/299,599,920.72 - Step 6: Final answer
x = 176,529,135.66
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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.