Finding the Fourth Proportional to 239,571,840.23, 330,612,351.80 and 135,149,588.63
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Solution
The fourth proportional to 239,571,840.23, 330,612,351.80 and 135,149,588.63 is: 186,508,244.46
Step by Step Solution
- Step 1: Write the proportion equation
239,571,840.23 : 330,612,351.80 = 135,149,588.63 : x - Step 2: Convert to fraction form
239,571,840.23/330,612,351.80 = 135,149,588.63/x - Step 3: Cross multiply
239,571,840.23x = 330,612,351.80 × 135,149,588.63 - Step 4: Simplify right side
239,571,840.23x = 44,682,123,343,300,064 - Step 5: Solve for x
x = 44,682,123,343,300,064/239,571,840.23 - Step 6: Final answer
x = 186,508,244.46
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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.