Finding the Fourth Proportional to 199,242,453.02, 274,961,398.11 and 115,604,268.44
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Solution
The fourth proportional to 199,242,453.02, 274,961,398.11 and 115,604,268.44 is: 159,537,843.45
Step by Step Solution
- Step 1: Write the proportion equation
199,242,453.02 : 274,961,398.11 = 115,604,268.44 : x - Step 2: Convert to fraction form
199,242,453.02/274,961,398.11 = 115,604,268.44/x - Step 3: Cross multiply
199,242,453.02x = 274,961,398.11 × 115,604,268.44 - Step 4: Simplify right side
199,242,453.02x = 31,786,711,277,746,148 - Step 5: Solve for x
x = 31,786,711,277,746,148/199,242,453.02 - Step 6: Final answer
x = 159,537,843.45
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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.