Finding the Fourth Proportional to 181,497,204.80, 272,245,807.20 and 66,493,372.40
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Solution
The fourth proportional to 181,497,204.80, 272,245,807.20 and 66,493,372.40 is: 99,740,058.60
Step by Step Solution
- Step 1: Write the proportion equation
181,497,204.80 : 272,245,807.20 = 66,493,372.40 : x - Step 2: Convert to fraction form
181,497,204.80/272,245,807.20 = 66,493,372.40/x - Step 3: Cross multiply
181,497,204.80x = 272,245,807.20 × 66,493,372.40 - Step 4: Simplify right side
181,497,204.80x = 18,102,541,842,488,200 - Step 5: Solve for x
x = 18,102,541,842,488,200/181,497,204.80 - Step 6: Final answer
x = 99,740,058.60
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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.