Finding the Fourth Proportional to 179,384,801.80, 269,077,202.70 and 156,709,985.80
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Solution
The fourth proportional to 179,384,801.80, 269,077,202.70 and 156,709,985.80 is: 235,064,978.70
Step by Step Solution
- Step 1: Write the proportion equation
179,384,801.80 : 269,077,202.70 = 156,709,985.80 : x - Step 2: Convert to fraction form
179,384,801.80/269,077,202.70 = 156,709,985.80/x - Step 3: Cross multiply
179,384,801.80x = 269,077,202.70 × 156,709,985.80 - Step 4: Simplify right side
179,384,801.80x = 42,167,084,614,220,720 - Step 5: Solve for x
x = 42,167,084,614,220,720/179,384,801.80 - Step 6: Final answer
x = 235,064,978.70
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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.