Finding the Fourth Proportional to 147,644,444.48, 203,719,783.20 and 82,444,316.48
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Solution
The fourth proportional to 147,644,444.48, 203,719,783.20 and 82,444,316.48 is: 113,756,655.99
Step by Step Solution
- Step 1: Write the proportion equation
147,644,444.48 : 203,719,783.20 = 82,444,316.48 : x - Step 2: Convert to fraction form
147,644,444.48/203,719,783.20 = 82,444,316.48/x - Step 3: Cross multiply
147,644,444.48x = 203,719,783.20 × 82,444,316.48 - Step 4: Simplify right side
147,644,444.48x = 16,795,538,279,377,788 - Step 5: Solve for x
x = 16,795,538,279,377,788/147,644,444.48 - Step 6: Final answer
x = 113,756,655.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.