Finding the Fourth Proportional to 181,446,009.80, 272,169,014.70 and 66,392,313.80
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Solution
The fourth proportional to 181,446,009.80, 272,169,014.70 and 66,392,313.80 is: 99,588,470.70
Step by Step Solution
- Step 1: Write the proportion equation
181,446,009.80 : 272,169,014.70 = 66,392,313.80 : x - Step 2: Convert to fraction form
181,446,009.80/272,169,014.70 = 66,392,313.80/x - Step 3: Cross multiply
181,446,009.80x = 272,169,014.70 × 66,392,313.80 - Step 4: Simplify right side
181,446,009.80x = 18,069,930,630,599,212 - Step 5: Solve for x
x = 18,069,930,630,599,212/181,446,009.80 - Step 6: Final answer
x = 99,588,470.70
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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.