Finding the Fourth Proportional to 312,237,881.91, 430,888,783.46 and 171,086,672.48
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Solution
The fourth proportional to 312,237,881.91, 430,888,783.46 and 171,086,672.48 is: 236,099,885.50
Step by Step Solution
- Step 1: Write the proportion equation
312,237,881.91 : 430,888,783.46 = 171,086,672.48 : x - Step 2: Convert to fraction form
312,237,881.91/430,888,783.46 = 171,086,672.48/x - Step 3: Cross multiply
312,237,881.91x = 430,888,783.46 × 171,086,672.48 - Step 4: Simplify right side
312,237,881.91x = 73,719,328,168,116,784 - Step 5: Solve for x
x = 73,719,328,168,116,784/312,237,881.91 - Step 6: Final answer
x = 236,099,885.50
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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.