Finding the Fourth Proportional to 261,201,724.99, 360,447,573.71 and 142,124,815.62
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Solution
The fourth proportional to 261,201,724.99, 360,447,573.71 and 142,124,815.62 is: 196,126,365.39
Step by Step Solution
- Step 1: Write the proportion equation
261,201,724.99 : 360,447,573.71 = 142,124,815.62 : x - Step 2: Convert to fraction form
261,201,724.99/360,447,573.71 = 142,124,815.62/x - Step 3: Cross multiply
261,201,724.99x = 360,447,573.71 × 142,124,815.62 - Step 4: Simplify right side
261,201,724.99x = 51,228,544,954,565,416 - Step 5: Solve for x
x = 51,228,544,954,565,416/261,201,724.99 - Step 6: Final answer
x = 196,126,365.39
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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.