Finding the Fourth Proportional to 181,445,905.80, 272,168,858.70 and 66,392,209.80
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Solution
The fourth proportional to 181,445,905.80, 272,168,858.70 and 66,392,209.80 is: 99,588,314.70
Step by Step Solution
- Step 1: Write the proportion equation
181,445,905.80 : 272,168,858.70 = 66,392,209.80 : x - Step 2: Convert to fraction form
181,445,905.80/272,168,858.70 = 66,392,209.80/x - Step 3: Cross multiply
181,445,905.80x = 272,168,858.70 × 66,392,209.80 - Step 4: Simplify right side
181,445,905.80x = 18,069,891,967,836,952 - Step 5: Solve for x
x = 18,069,891,967,836,952/181,445,905.80 - Step 6: Final answer
x = 99,588,314.70
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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.