Finding the Fourth Proportional to 196,695,865.99, 271,475,825.70 and 117,316,015.84
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Solution
The fourth proportional to 196,695,865.99, 271,475,825.70 and 117,316,015.84 is: 161,917,293.52
Step by Step Solution
- Step 1: Write the proportion equation
196,695,865.99 : 271,475,825.70 = 117,316,015.84 : x - Step 2: Convert to fraction form
196,695,865.99/271,475,825.70 = 117,316,015.84/x - Step 3: Cross multiply
196,695,865.99x = 271,475,825.70 × 117,316,015.84 - Step 4: Simplify right side
196,695,865.99x = 31,848,462,267,998,280 - Step 5: Solve for x
x = 31,848,462,267,998,280/196,695,865.99 - Step 6: Final answer
x = 161,917,293.52
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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.