Finding the Fourth Proportional to 91,765,180.24, 126,639,289.98 and 49,947,224.31
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Solution
The fourth proportional to 91,765,180.24, 126,639,289.98 and 49,947,224.31 is: 68,928,988.17
Step by Step Solution
- Step 1: Write the proportion equation
91,765,180.24 : 126,639,289.98 = 49,947,224.31 : x - Step 2: Convert to fraction form
91,765,180.24/126,639,289.98 = 49,947,224.31/x - Step 3: Cross multiply
91,765,180.24x = 126,639,289.98 × 49,947,224.31 - Step 4: Simplify right side
91,765,180.24x = 6,325,281,023,090,196 - Step 5: Solve for x
x = 6,325,281,023,090,196/91,765,180.24 - Step 6: Final answer
x = 68,928,988.17
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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.