Finding the Fourth Proportional to 181,351,202.40, 272,026,803.60 and 170,013,794.40
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Solution
The fourth proportional to 181,351,202.40, 272,026,803.60 and 170,013,794.40 is: 255,020,691.60
Step by Step Solution
- Step 1: Write the proportion equation
181,351,202.40 : 272,026,803.60 = 170,013,794.40 : x - Step 2: Convert to fraction form
181,351,202.40/272,026,803.60 = 170,013,794.40/x - Step 3: Cross multiply
181,351,202.40x = 272,026,803.60 × 170,013,794.40 - Step 4: Simplify right side
181,351,202.40x = 46,248,309,058,539,584 - Step 5: Solve for x
x = 46,248,309,058,539,584/181,351,202.40 - Step 6: Final answer
x = 255,020,691.60
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1.5x scale
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.